Single-player games like Quantum Conundrum
Below are 11 single-player Steam games similar to Quantum Conundrum, 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 Quantum Conundrum page.
Ranked picks
- 1
Tiny and Big: Grandpa's Leftovers
Single-player alternative to Quantum Conundrum — playable solo, no multiplayer required.
You are Tiny, a nerdy inventor, who tries to reclaim his most beloved possession - Grandpa's underpants!
- 2
Portal
Single-player alternative to Quantum Conundrum — playable solo, no multiplayer required.
Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.
- 3
Supraland
Single-player alternative to Quantum Conundrum — playable solo, no multiplayer required.
Try the demo! A mix between Portal, Zelda and Metroid. Exploration, puzzles, terrible combat, secret upgrades and new abilities that help you reach new places. Playtime 12-25h.
- 4
The Ball
Single-player alternative to Quantum Conundrum — playable solo, no multiplayer required. Shares Strategy with Quantum Conundrum.
As a swashbuckling archaeologist, unlock the mystery of the ancient ruins that have been hidden for centuries and discover a mysterious artifact, a gold and metal shelled Ball.
- 5
The Misadventures of P.B. Winterbottom
Single-player alternative to Quantum Conundrum — playable solo, no multiplayer required.
Enter a macabre and comical silent world filled with mischief, time travel and delicious pie. Includes Steam Achievements, Cloud, and Leaderboards!
- 6
Vessel
Single-player alternative to Quantum Conundrum — playable solo, no multiplayer required. Shares Strategy with Quantum Conundrum.
Living liquid machines have overrun a world of unstoppable progress and their inventor must stop the chaos in this game about a man with the power to bring ordinary matter to life!
- 7
The Last Cube
Single-player alternative to Quantum Conundrum — playable solo, no multiplayer required. Shares Casual with Quantum Conundrum.
Cube puzzler and an epic adventure. Stamp stickers to the sides of your cube to imbue each surface with unique powers, which are vital to solving puzzles and finding secrets.
- 8
Bionic Bay
Single-player alternative to Quantum Conundrum — playable solo, no multiplayer required. Shares Casual with Quantum Conundrum.
A scientist uses a unique teleportation instrument to escape an ancient biomechanical world filled with imaginative technology, deadly traps, and hidden secrets.
- 9
Portal 2
Single-player alternative to Quantum Conundrum — playable solo, no multiplayer required.
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
- 10
Murdered: Soul Suspect
Single-player alternative to Quantum Conundrum — playable solo, no multiplayer required.
MURDERED: SOUL SUSPECT™ takes players into a whole new realm of mystery where the case is personal and the clues just out of reach, challenging gamers to solve the hardest case of all… their own murder.
- 11
Dark Void™
Single-player alternative to Quantum Conundrum — playable solo, no multiplayer required.
Dark Void™ is a sci-fi action-adventure game that combines an adrenaline-fueled blend of aerial and ground-pounding combat.