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Dome Keeper
Dome Keeper
Dome Keeper
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Dome Keeper
DeveloperBippinbits
PublisherRaw Fury
EngineGodot Engine
Platforms
Release27 September 2022
GenresTower defense, roguelike
ModeSingle-player

Dome Keeper is a 2022 tower defense video game developed by German studio Bippinbits and published by Raw Fury. It was released for Windows, macOS and Linux on 27 September 2022.[1][2] In the game, players must defend themselves against alien creatures attacking their glass dome. After the current wave of enemies is defeated, the player may spend a limited amount of time to mine for resources underneath the dome, which they can use to upgrade their defenses and better fight against the next onslaught of enemies. The game received generally positive reviews on release.

Gameplay

[edit]

Dome Keeper is a tower defense game with roguelike elements.[2][3] Players control a character managing a glass dome, which acts as their spacecraft. After the spacecraft crashes down onto an extraterrestrial landscape, the player must defend their dome from the native aliens intent on destroying it.[3] The player character moves around using a jetpack, and can mine through the ground using a drill.[2][3] The main resources that the player must acquire are iron, cobalt, and water, which can be mined for beneath the dome and spent on upgrades.[2][3] A timer indicates the amount of time left before the next wave of enemies, and the character must return to the dome with as many resources as possible before the aliens arrive and begin damaging it. The main weapons the player uses to fight are a laser beam that rotates around the dome, or a sword-like appendage that can be extended to hit enemies.[3][4] Both weapons can be improved to have greater damage or attack strength, while the character can also spend resources on themselves to increase their movement speed or drill power. The goal of the player in the default game mode "Relic Hunt" is to fight off the waves of enemies and continue mining for resources in-between, while digging deep enough to find an ancient relic used to eradicate the aliens.[3]

Development

[edit]

Bippinbits submitted Dome Keeper, then named Dome Romantik, as an entry in the April 2021 Ludum Dare 48 game jam. It achieved 9th place overall, prompting the team to develop the game as a full Steam release.[5][6]

Reception

[edit]

According to the review aggregator website Metacritic, Dome Keeper received "generally favorable reviews".[7] PC Gamer called the game a "simple yet nuanced roguelike." and praised the weapons and resource management gameplay, but noted the game's short playtime and a few minor technical issues.[3] Shacknews appreciated the simplicity of gameplay design and execution, but said that the gameplay could become predictable after several playthroughs.[4] In a more critical review, Eurogamer felt that the game was "as divided as my thoughts are on it" and said that the mining and tower defense gameplay struggled because of how the game divided its attention between both genres.[1]

References

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Dome Keeper

View on Grokipedia
from Grokipedia
Dome Keeper is a defense developed by the independent studio Bippinbits and published by . Released on September 27, 2022, for Microsoft Windows, macOS, and , the game features players controlling a "Dome Keeper" who must safeguard their surface dome from successive waves of alien monsters by descending into procedurally generated underground caves to mine resources and relics. These resources enable upgrades to the dome's weaponry, drilling equipment, and mobility, blending elements of action , resource management, and automated in a cycle of excavation and combat. In gameplay, sessions alternate between two core phases: a mining phase where players drill tunnels to gather iron, cobalt, water, and other materials while avoiding hazards, and a defense phase where the dome auto-targets incoming enemies using player-selected weapons such as a piercing laser, explosive missiles, or a shotgun blast. Progression unlocks two distinct keeper classes—each with unique abilities and starting gadgets—along with four dome variants and over a dozen secondary gadgets for customization, encouraging replayability through permadeath runs and escalating difficulty across multiple depths. The game's pixel-art style and synthetic soundtrack complement its tense, loop-based structure, which has been praised for its satisfying risk-reward mechanics in resource allocation and strategic preparation. Upon release, Dome Keeper received very positive reviews, earning a "Very Positive" rating on from over 17,000 user reviews and a Metacritic score of 76 out of 100 based on critic aggregates, with commendations for its innovative fusion and addictive loop despite some noted repetition in later stages. Following its PC launch, the title expanded to consoles, including a planned release for Xbox Series X|S on December 9, 2025, further broadening its accessibility. Developed by a two-person team in , , Dome Keeper exemplifies indie innovation in design, drawing comparisons to titles like for its wave-based survival elements.

Gameplay

Mining Mechanics

In Dome Keeper, the mining phase allows players to descend beneath the surface using a jetpack to explore procedurally generated underground environments and extract essential resources. These caves consist of layered rock strata with varying hardness, where players navigate by flying with the jetpack, which provides mobility but consumes fuel that recharges over time. The phase emphasizes efficient exploration and collection, as the underground layout is randomized each run, encouraging strategic pathing to uncover veins while managing limited in darker areas. Players primarily gather three types of resources during : iron, which is abundant and serves as the foundation for basic enhancements; , a rarer found deeper in the caves that enables more sophisticated technologies; and , a scarce critical for upgrades and overcharges. These appear in clustered deposits that must be broken and collected, with affecting movement speed—heavier loads slow the player, adding a layer of to how much to per trip. Representative examples include iron veins yielding 10-20 units per cluster in early layers, while deposits might provide 5-10 units but require stronger tools to access. The core tool for extraction is the , equipped to the player's , which breaks rock blocks either instantly for softer materials or over multiple hits for denser ones, with upgrades improving its speed and range. Additional gadgets, such as automated lifts or teleporters, can be deployed to optimize routes and automate collection in subsequent runs. Environmental dangers, including unstable rock formations, pose risks that can impede progress if not navigated carefully. Mining sessions are time-constrained, typically lasting around one minute before a warning alarm signals the need to return to the surface, as failure to do so risks dome vulnerability. This limitation creates tension, prompting players to balance depth exploration against the urgency of surfacing with gathered resources. Upon return, the gathered materials are deposited for use, transitioning the game to the defense phase against incoming threats.

Defense Mechanics

In Dome Keeper, the defense phase alternates with the mining phase, activating after a set period of resource gathering when a countdown timer signals the approach of enemy waves. During this real-time combat segment, players must protect their central dome structure from assaults by shadowy alien monsters that emerge from the surrounding terrain, typically lasting around one minute per wave. The primary weapon for defense varies by the selected dome type, with four variants available through progression: the Laser Dome's rotating laser cannon for automated ranged attacks (upgradable for speed and power); the Sword Dome's melee sword, allowing the player to venture outside for close-quarters combat as an extendable harpoon; the Artillery Dome's mortar for explosive area damage and anti-air gun; and the Tesla Dome's chain lightning for crowd control. Different weapons suit varying playstyles, with automated options like the providing broad coverage against swarms, while others demand precise timing and positioning, particularly against aerial threats. The dome serves as the game's core defensive hub and must remain intact to avoid a ; it features a visible health bar that depletes from enemy impacts, with cracks appearing as damage accumulates, and can be repaired using during brief lulls. A high-pitched alarm announces the start of each wave, heightening the tension as monsters converge from multiple directions. Enemy types include ground-based Rockmen that charge directly at the dome and agile flyers that hover above, spitting projectiles from the sky, with waves escalating in number and aggression as players progress through deeper levels in Core Mode, such as Depths 1 through 5. This progression introduces more complex threats, requiring strategic use of temporary gadgets and from to bolster defenses effectively.

Upgrades and Progression

In Dome Keeper, the progression system revolves around a roguelite structure that alternates between temporary enhancements during individual runs and permanent unlocks to encourage repeated playthroughs. Players gather resources like iron, , and while to access an upgrade terminal, where they can allocate these materials to improve core abilities such as strength, movement speed, , and dome weapon power. Gadgets form a key part of per-run customization, crafted and installed directly into the dome using the same mined resources for tactical advantages during defense phases. Examples include auto-turrets that provide automated firepower against enemy waves, shields that bolster dome integrity, and teleporters that enable rapid repositioning of the keeper or resources. Primary gadgets like the shield or repellent are always available for upgrading, while secondary ones—such as probes for resource detection or lifts for efficient material transport—are discovered by excavating special rock formations and can be selected or scrapped for bonus cobalt. The distinction between temporary and permanent progression underscores the game's replayability. Per-run upgrades, including weapon power-ups and enhancements, are lost upon —defined as the destruction of the dome during a defense wave—but successful runs allow players to extract resources for the prestige system. This meta-progression awards prestige points based on the quantity and type of materials sent back to the home planet, unlocking permanent features like additional dome types (e.g., for melee strikes, for long-range , or tesla for ) and the two keeper characters: the , with gadget efficiency, and the Assessor, with resource bonuses. Roguelike mechanics integrate seamlessly with this system through of underground layouts, randomized resource placements, and enemy wave patterns, creating varied challenges each time while resets temporary gains to heighten tension. However, the prestige unlocks serve as meta-progression, mitigating frustration by gradually expanding strategic options without altering the core loop of mining for resources and defending the dome. Game modes like Relic Hunt tie upgrades into broader objectives, requiring players to delve through procedurally generated biomes to locate and activate an ancient , often necessitating specific combinations—such as teleporters for quick relic transport or auto-turrets for intensified final defenses—to survive the culminating boss encounter. Completing these modes not only advances the narrative of planetary salvation but also yields prestige points to further permanent progression.

Development

Concept and Prototyping

Dome Keeper originated as a prototype titled Dome Romantik, developed during the 48 game jam held from April 23 to 26, 2021, with the theme "Deeper and Deeper." The entry was created by a two-person team at Bippinbits, consisting of developers René Habermann and his wife Anne, marking their tenth participation in the event. Built in just 72 hours using the Godot Engine for its rapid prototyping capabilities, the prototype emphasized a 2D side-view perspective for mining and navigation. The core gameplay loop of resource mining followed by dome defense against alien waves was established in this initial version, where players dig through planetary layers to gather minerals, return to a central dome base to deposit them, and use accumulated resources for upgrades like enhanced drills or defensive lasers before fending off monster attacks. This cycle culminated in an ending upon reaching the planet's core, providing a contained experience lasting around 10 minutes per run. The prototype's focus on procedural yet hand-crafted map elements allowed for quick iteration during the jam, prioritizing tight mechanics over expansive generation. Dome Romantik received strong acclaim within the , securing 9th place overall out of nearly 3,000 entries, with an average rating of 4.435 from 278 votes, particularly praised for its theme interpretation (50th) and (56th). Following the jam, Bippinbits, operating as a small independent team, began iterating on the concept, expanding the mining-defense duality with improved mobility options and refined dome protection systems to build toward a full release. These early post-jam efforts introduced elements like varied dome weapons and gadget upgrades, laying the foundation for deeper strategic layers while retaining the prototype's cozy yet tense atmosphere.

Full Production

Following the success of their 48 entry "Dome Romantik" in April 2021, developers Bippinbits—a German couple consisting of and Anne Habermann—launched a page for the expanded project on May 20, 2021, marking the start of full development in mid-2021. The game's positive reception during the jam, which garnered over 270 reviews on , encouraged the to scale up the prototype into a complete rogue-lite title. In April 2022, Bippinbits announced a publishing partnership with , which provided resources for media outreach, creator engagement, and pre-purchase strategies to support the project's completion. This collaboration enabled the team to refine and expand core features beyond the jam constraints. During full production, the mechanics were significantly broadened to enhance replayability and strategic depth. The original digging and defense loop was augmented with a tech tree offering meaningful upgrades that influence playstyles, such as improved drill efficiency or enhanced dome weaponry. Multiple gadgets were introduced for customization, including tools for resource extraction and , alongside increased enemy variety featuring diverse alien monsters with unique attack patterns. New game modes, such as Relic Hunt—where players must locate and retrieve an ancient artifact from deep caves while fending off intensified waves—added objective-driven progression to the survival mining formula. The art direction adopted a style with detailed sprites for domes, characters, and environments, emphasizing atmospheric planetary surfaces and underground caverns to immerse players in the sci-fi setting. Anne Habermann handled the visual design, contributing to the game's appealing retro aesthetic that resonated with streamers and players. featured atmospheric audio to heighten tension during expeditions and defense phases, composed by Cameron Paxton with tracks evoking isolation and urgency on an alien world. The project utilized the Godot engine, with optimizations implemented to ensure smooth performance across deeper cave systems and larger enemy waves. Beta testing occurred through a public demo released on on February 15, 2022, during the Games of Festival, which achieved a playtime of 1 hour 30 minutes and gathered feedback from hundreds of players. An active community, starting small with around 10 early testers, provided ongoing input on balance, particularly regarding upgrade costs, wave difficulty, and gadget synergies, which the developers incorporated iteratively leading to the 1.0 release. Post-launch, the team continued development with major updates, including the V3 "Double Dome" expansion in 2023 introducing new content and mechanics, mod support in November 2024, and a multiplayer update revealed in August 2025, alongside gear pack DLCs featuring additional classes and soundtracks.

Release

Initial Release

Dome Keeper achieved its full release on September 27, 2022, exclusively for personal computers running Windows, macOS, and through the platform. The game launched at a price of $17.99 USD, positioning it as an affordable indie title in the roguelite genre. Publisher handled distribution, marking the culmination of development efforts that originated from a prototype. Prior to launch, the developers at Bippinbits built anticipation through a series of public demos released starting in early 2022, including a prominent version during Steam Next Fest in June, which allowed players to experience the core mining and defense mechanics. Marketing efforts centered on trailers that highlighted the unique loop of resource gathering underground and defending the dome against alien waves, with the official announcement trailer debuting in April 2022 and a release trailer following shortly before launch. These promotions emphasized the game's atmospheric pixel-art style and strategic depth, generating early buzz among indie gaming communities without a traditional early access phase. At launch, Dome Keeper was available day-one on PC platforms via , with no simultaneous console release, focusing initial accessibility on desktop users. This strategy aligned with the game's origins as a PC-first project, enabling rapid iteration based on player feedback from prior demos.

Ports and Updates

The major update version 4.0, titled "A Keeper's Duty," was released on July 25, 2024, as a free content expansion that introduced significant enhancements to variety. This update added a sixth to the game's world rotation, providing additional visual diversity during relic hunts and assignments without altering core mechanics. It also incorporated five new enemy types—Hornet, Breeder, Phaser, Bloater, and Tormentor—each with unique behaviors to challenge defensive strategies, such as the Breeder's ability to spawn additional threats. Furthermore, the update doubled the number of available gadgets from 11 to 22, including a new primary gadget called the Drone Yard for resource transport and . As part of the version 4.0 rollout, the game underwent a full engine port from Godot 3 to Godot 4, a substantial technical overhaul completed in 2024 to facilitate future multiplayer development and broader console compatibility. This migration improved performance and modding capabilities, laying groundwork for expanded platform support without introducing paid expansions at the time. Subsequent patches have focused on refinement, with version 4.1 released on October 18, 2024, delivering balance adjustments such as the initiation of prestige season 7 following extensive tweaks to monster spawning and resource dynamics. This patch also addressed technical issues, including audio bugs and performance optimizations, while restoring full support adapted to the new ; it further upgraded the Teleporter for item and supplement transport with a reduced cooldown from 20 to 5 seconds. Later patches included version 4.2 on November 28, 2024, for maintenance and bug fixes, and version 4.2.2 on March 19, 2025, which implemented rolling save files and improvements to support. All post-launch updates have been provided free of charge, with no paid DLC introducing new gameplay content; existing DLC packs remain limited to cosmetic items like gear skins. Developer statements confirm ongoing free content additions without plans for monetized expansions beyond cosmetics. In October 2025, publisher announced a port to Series X|S and PC Game Pass, scheduled for release on December 9, 2025, incorporating all prior updates and content at launch. This expansion supports Xbox Play Anywhere, , and cross-progression, marking the game's first major console debut outside initial platforms. Looking ahead, developers have teased a forthcoming multiplayer update, building on the Godot 4 port, with features like four-player co-op and versus modes revealed in August 2025 trailers; as of November 2025, development is ongoing with bugfixing expected to complete that month and a playtest planned for December, without a firm release date.

Reception

Critical Response

Dome Keeper received generally positive reviews from critics upon its launch in September 2022, earning a score of 76/100 based on eight critic reviews. Reviewers praised the game's addictive core loop, which alternates between resource-gathering mining sessions and tense defense against alien waves, creating a compelling sense of urgency and progression. highlighted this innovative blend of mining and defense mechanics, describing it as "a simple yet nuanced packed with interesting decisions, tense fights and lots of digging," and commended the resource tension that keeps players constantly evaluating upgrades. Similarly, lauded the risk-reward balance in resource management and the satisfying escalation of danger, noting how the game's enhances the visual feedback during defensive sequences. Critics also pointed out some shortcomings, particularly regarding repetition and longevity. awarded the game a 3/5 score, criticizing the digging phase for becoming a repetitive chore over time and the defense waves for lacking depth, often leading to frustrating restarts rather than engaging battles. The main campaign's length, estimated at around 5 hours for the core story and up to 13 hours with side content, was seen as concise but potentially limiting for players seeking extended play without relying heavily on randomization. echoed concerns about long-term freshness, suggesting the game might benefit from additional content to sustain interest beyond initial runs. Subsequent updates, including the major "A Keeper's Duty" expansion in July 2024, were well-received for addressing these issues by introducing new game modes, assignments with special rules, and enhanced , thereby improving replayability and overall engagement. described the update as adding "a tonne of new things that improve replayability and better each run," noting its role in generating more varied worlds and build options. This led to refreshed critical appreciation, with the added challenges helping to mitigate earlier criticisms of predictability in the genre fusion.

Player Reception and Legacy

Dome Keeper has garnered overwhelmingly positive reception from players, particularly on , where it holds a 90% positive rating from over 17,000 reviews as of late 2025. This strong approval reflects the game's addictive loop and replayability, with many users praising its blend of relaxing mining and intense defense phases. Following a major update in July 2024 that introduced new content and balance changes, the game's concurrent player count surged to over 3,200, marking one of its highest peaks since launch and revitalizing interest among long-time fans. Sales figures underscore the game's commercial success, with over 500,000 copies sold by October 2023, achieving profitability shortly after its full release. By September 2024, it had reached 1 million players across platforms, further boosted by discounts and updates. The announcement of its inclusion in on December 9, 2025, for Series X|S, PC, and cloud play is anticipated to expand its reach significantly, potentially driving additional player engagement. The community surrounding Dome Keeper remains vibrant, centered on the official Reddit subreddit r/domekeeper, where players discuss strategies, share artwork, and celebrate milestones, alongside a comprehensive at domekeeper.wiki.gg that documents gadgets, upgrades, and lore. Modding support, introduced in late 2024 via Steam Workshop and Godot engine tools, has been somewhat limited due to the game's focused design but includes community-created additions like new domes and gadgets, fostering creative extensions without overwhelming the core experience. In terms of legacy, Dome Keeper has solidified its place as a standout in the hybrid genre, influencing subsequent titles by demonstrating the appeal of merging with procedural survival challenges, as evidenced by its enduring player base and critical nods to its innovative mechanics. High anticipation surrounds the upcoming multiplayer update, revealed in August 2025, which promises co-op dome defense and could serve as a foundation for series expansion, building on the game's proven formula.

References

  1. https://store.steampowered.com/app/1637320/Dome_Keeper/
  2. http://rawfury.com/games/dome-keeper/
  3. https://www.metacritic.com/game/dome-keeper/
  4. https://gamefaqs.gamespot.com/xbox-series-x/593964-dome-keeper/data
  5. https://www.pcgamer.com/dome-keeper-review/
  6. https://www.rockpapershotgun.com/dome-keeper-review
  7. https://www.tech-gaming.com/dome-keeper/
  8. https://domekeeper.wiki.gg/wiki/Dome_Keeper
  9. https://ldjam.com/events/ludum-dare/48
  10. https://ldjam.com/events/ludum-dare/48/dome-romantik
  11. https://godotengine.org/showcase/dome-keeper/
  12. https://bippinbits.itch.io/dome-romantik
  13. https://bippinbits.itch.io/dome-romantik/devlog/277346/a-glimpse-into-the-future
  14. https://howtomarketagame.com/2022/10/17/how-dome-keeper-achieved-a-million-dollar-launch/
  15. https://rawfury.com/announcing-dome-keeper/
  16. https://cameronpaxton.bandcamp.com/album/dome-keeper-vol-i-the-engineer-original-soundtrack
  17. https://www.reddit.com/r/godot/comments/n0pk2g/so_happy_with_how_out_ld48_entry_dome_romantik/
  18. https://steamdb.info/app/1637320/patchnotes/
  19. https://steamdb.info/app/1637320/
  20. https://store.steampowered.com/app/1650980/Dome_Keeper_Demo/
  21. https://www.youtube.com/watch?v=PFh39iPs28I
  22. https://www.youtube.com/watch?v=UWYHV4RrXu0
  23. https://store.steampowered.com/news/app/1637320/view/4396159337027279924
  24. https://domekeeper.wiki.gg/wiki/Version_History
  25. https://store.steampowered.com/news/app/1637320/view/4544786821149540013
  26. https://store.steampowered.com/news/app/1637320/view/4471607136529416877
  27. https://store.steampowered.com/news/app/1637320/view/528715258929350325
  28. https://steamcommunity.com/app/1637320/discussions/0/824829463078423039/
  29. https://news.xbox.com/en-us/2025/10/28/id-xbox-showcase-october-2025-everything-announced-recap/
  30. https://store.steampowered.com/news/app/1637320/view/499455821076234710
  31. https://www.youtube.com/watch?v=DVxKRxtRobs
  32. https://steamcommunity.com/app/1637320/discussions/0/517472842923883140/
  33. https://www.eurogamer.net/dome-keeper-review-not-quite-digging-it
  34. https://isthereanydeal.com/game/dome-keeper/info/
  35. https://www.rockpapershotgun.com/dome-keeper-just-got-a-massive-update-that-ups-replayability-and-helps-generate-better-worlds
  36. https://steamdb.info/app/1637320/charts/
  37. https://www.pcgamesn.com/dome-keeper/new-update-steam-sale
  38. https://80.lv/articles/indie-miner-dome-keeper-surges-with-2-500-increase-in-concurrent-players
  39. https://www.gamingonlinux.com/2024/09/dome-keeper-hits-1-million-players-multiplayer-and-modding-support-to-come/
  40. https://www.trueachievements.com/n50708/xbox-game-pass-coming-soon
  41. https://www.reddit.com/r/domekeeper/
  42. https://domekeeper.wiki.gg/
  43. https://steamcommunity.com/app/1637320/workshop/
  44. https://github.com/DomeKeeperMods
  45. https://retrostylegames.com/blog/why-dome-keeper-so-good/
  46. https://www.youtube.com/watch?v=rQbCEQ9855o
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