Single-player games like Keystones: Foundations
Below are 8 single-player Steam games similar to Keystones: Foundations, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Keystones: Foundations page.
Ranked picks
- 1
Abridge
Single-player alternative to Keystones: Foundations — playable solo, no multiplayer required. Shares Indie and Casual with Keystones: Foundations.
Control colorful shape filled pieces by moving, pushing and pulling them around to solve puzzles. Learn the rules. Investigate the interactions and synergies. Uncover surprising solutions.
- 2
Unlock the Block
Single-player alternative to Keystones: Foundations — playable solo, no multiplayer required. Shares Indie and Casual with Keystones: Foundations.
In unlock the block your objective is to activate a button, but for that you will have to push your way through and destroy blocks. This may seem easy but know one thing your movement is limited.
- 3
Block Buster Billy
Single-player alternative to Keystones: Foundations — playable solo, no multiplayer required. Shares Indie and Casual with Keystones: Foundations.
An alien family had a picnic on Billy's island. They had to leave in a hurry, causing Junior to forget his cubes. Can you help Billy figure out the mind-boggling alien puzzles?
- 4
Midnight is Lost
Single-player alternative to Keystones: Foundations — playable solo, no multiplayer required.
Midnight gives you a unique and challenging experience, in this game the Sokoban puzzles need to be solved backward. Get ready to burn your brain with this game!
- 5
CLONY
Single-player alternative to Keystones: Foundations — playable solo, no multiplayer required. Shares Indie and Casual with Keystones: Foundations.
CLONY is a gravity-defying Sokoban-style 2D puzzle game. Players can create clones above their own heads, and all clones move in the same direction. The game is cleared when all yellow buttons are pressed at the same time. Test your own puzzle skills with these minimalistic puzzles.
- 6
BRDG
Single-player alternative to Keystones: Foundations — playable solo, no multiplayer required. Shares Indie and Casual with Keystones: Foundations.
BRDG is a puzzle game about pushing blocks and making bridges.
- 7
Linelith
Single-player alternative to Keystones: Foundations — playable solo, no multiplayer required. Shares Indie and Casual with Keystones: Foundations.
Solve puzzles embedded in rocks and crystals as you explore a colorful, serene alien asteroid. Discover a few clever twists as you progress in this short and sweet puzzle experience.
- 8
Yugo Puzzle
Single-player alternative to Keystones: Foundations — playable solo, no multiplayer required. Shares Indie with Keystones: Foundations.
Yugo Puzzle is a minimalist, relaxing, and satisfying puzzle game. Move jelly blocks left and right to merge them with the same color. It may sound simple, but it’s deceptively challenging. Enjoy the satisfaction of solving each puzzle.