The launch of Steam was initially met with resistance from gamers, who were skeptical about the need for a digital distribution platform. Some criticized its intrusive nature and its potential for DRM restrictions.

Valve has faced criticism over its use of Digital Rights Management (DRM) technologies on Steam. Some gamers argue that DRM restricts their freedom and that it can be circumvented by piracy regardless.

Valve faced backlash after attempting to introduce paid mods to the Steam Workshop. The community argued that paid mods would stifle creativity and that they would unfairly compensate mod creators.

Valve has been criticized for its perceived lack of major game releases in recent years, particularly for the lack of a Half-Life 3. Some fans feel that Valve has become more focused on Steam and hardware development than on creating new games.

There have been occasional criticisms regarding Valve's unconventional organizational structure and its impact on employee morale and productivity. Some have alleged that the company's flat hierarchy can lead to a lack of direction and accountability.

The release of Artifact was seen as a failure because it was based on a pay-to-play business model and lacked engaging gameplay elements.