Single-player games like Cupig's Key Collectathon
Below are 8 single-player Steam games similar to Cupig's Key Collectathon, 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 Cupig's Key Collectathon page.
Ranked picks
- 1
O.W.L Projekt 2
Single-player alternative to Cupig's Key Collectathon — playable solo, no multiplayer required. Shares Indie and Adventure with Cupig's Key Collectathon.
Explore O.W.L Projekt 2 with Elysion in a renewed world, facing even more complex challenges, fast enemies, and new mechanics like portals of different colors. Use the Sanctum Staff to overcome traps and escape the Watchers in an exciting adventure.
- 2
Felix The Toy
Single-player alternative to Cupig's Key Collectathon — playable solo, no multiplayer required. Shares Indie and Adventure with Cupig's Key Collectathon.
Inspired by classics from long ago, help a toy named felix find his owner when a mysterious event takes over the planet
- 3
Where are my potatoes?
Single-player alternative to Cupig's Key Collectathon — playable solo, no multiplayer required. Shares Indie and Adventure with Cupig's Key Collectathon.
Kake character need find missing potatoes. Solve puzzles in different level to reach level end and collect missing potatoes
- 4
Marble Parkour 2: Roll and roll
Single-player alternative to Cupig's Key Collectathon — playable solo, no multiplayer required. Shares Indie and Adventure with Cupig's Key Collectathon.
Sequel to marble parkour. Roll more and avoid new traps and play different minigames
- 5
Timings
Single-player alternative to Cupig's Key Collectathon — playable solo, no multiplayer required. Shares Indie and Casual with Cupig's Key Collectathon.
Jump from platform to platform in this minimalist puzzle platformer. All platforms except your starting platform move at different speeds, some even carry the coveted token.
- 6
Duball Dash
Single-player alternative to Cupig's Key Collectathon — playable solo, no multiplayer required. Shares Casual with Cupig's Key Collectathon.
Roll fast, crash often, and keep dashing—Duball Dash is endless hyper-casual fun inside the tube. Roll fast as a cool green ball rocking swag white ski goggles, dodge metal walls with black-and-yellow hazard tape, and slip past bouncing red cylinders as the speed ramps up.
- 7
Slime Story
Single-player alternative to Cupig's Key Collectathon — playable solo, no multiplayer required. Shares Indie and Adventure with Cupig's Key Collectathon.
Immerse yourself in the story and explore large, dangerous and exciting locations of new 3D platformer, filled up with many interesting and unusual mechanics that make this game unique. Go through the levels and try to beat the developer's best score!
- 8
Cloud Runner
Single-player alternative to Cupig's Key Collectathon — playable solo, no multiplayer required. Shares Indie and Casual with Cupig's Key Collectathon.
Cloud Runner is a casual First Person 3D platformer that tests your skills with relaxing fun levels and arenas. Collect coins to boost your speed and multiply your combo.