1. Professor Layton Series: This series of puzzle-adventure games follows Professor Hershel Layton as he solves various mysteries and puzzles. The games feature a variety of puzzles, including riddles, logic puzzles, and spatial puzzles.
2. The Room Series: This series of escape room-style games challenges players to solve a variety of puzzles and riddles in order to escape from locked rooms. The games feature beautiful graphics and immersive environments.
3. The Witness: This open-world puzzle game features over 500 puzzles, all of which are interconnected. Players must use their logic and problem-solving skills to progress through the game.
4. Portal and Portal 2: These first-person puzzle-platform games feature a variety of physics-based puzzles. Players must use portals to navigate through the game's levels and solve various challenges.
5. Braid: This time-manipulation puzzle-platformer features a unique mechanic that allows players to rewind time. Players must use this ability to solve various puzzles and progress through the game.