Early in his career Pajitnov emphasized the importance of simplicity in game design. He believes that games should be easy to understand and play, focusing on core mechanics and intuitive gameplay.

During the development of Tetris, Pajitnov aimed to create a game that was addictive and replayable. The core loop of clearing lines and the increasing difficulty were designed to keep players engaged for extended periods.

After the success of Tetris, Pajitnov remained committed to originality and innovation. He continued to experiment with new puzzle game concepts and mechanics, seeking to create fresh and engaging experiences.

Puzzles and problem-solving have always been at the heart of Pajitnov's game design philosophy. He enjoys creating games that challenge players' minds and reward strategic thinking.