Single-player games like QTI - Quantum Tunnel Idle
Below are 10 single-player Steam games similar to QTI - Quantum Tunnel Idle, 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 QTI - Quantum Tunnel Idle page.
Ranked picks
- 1
Idle Monkeylogy
Single-player alternative to QTI - Quantum Tunnel Idle — playable solo, no multiplayer required. Shares Simulation with QTI - Quantum Tunnel Idle.
IDLE GAME based on the Infinite Monkey Theorem
- 2
TrainClicker Idle Evolution
Single-player alternative to QTI - Quantum Tunnel Idle — playable solo, no multiplayer required. Shares Simulation with QTI - Quantum Tunnel Idle.
🚂 Cozy idle train game. Enjoy a journey from steam to modern locomotives in idle style! 🚂
- 3
Rocky Idle
Single-player alternative to QTI - Quantum Tunnel Idle — playable solo, no multiplayer required.
Rocky Idle is a single-player idle/incremental game. Level up your skills, gather resources, and complete your collection log.
- 4
Tap Heroes
Single-player alternative to QTI - Quantum Tunnel Idle — playable solo, no multiplayer required.
Welcome to the first puppet show RPG! Participate in battling a ton of foes, buy new upgrades, cast magic and recruit new Heroes. Or just sit back and enjoy the show as your Heroes fight on their own while you watch or do other things.
- 5
Fantasy Aquarium
Single-player alternative to QTI - Quantum Tunnel Idle — playable solo, no multiplayer required. Shares Simulation with QTI - Quantum Tunnel Idle.
Fantasy Aquarium offers an effortless way to enhance your gaming experience. You can nurture a diverse range of small fish with unique characteristics and construct a vibrant fantasy world from scratch, transforming mundane fish-keeping into an engaging pursuit.
- 6
Black Hole Fishing
Single-player alternative to QTI - Quantum Tunnel Idle — playable solo, no multiplayer required. Shares Simulation with QTI - Quantum Tunnel Idle.
Black Hole Fishing is an absurd incremental game about catching, breeding, and perfecting SO MANY fish. Catch a fish, optimize its traits, then stock your pond with it as you pour fish and science into an endless singularity!
- 7
Human Resource Machine
Single-player alternative to QTI - Quantum Tunnel Idle — playable solo, no multiplayer required. Shares Simulation with QTI - Quantum Tunnel Idle.
Program little office workers to solve puzzles. Be a good employee! The machines are coming... for your job. From the creators of World of Goo and Little Inferno.
- 8
xiuzhen idle
Single-player alternative to QTI - Quantum Tunnel Idle — playable solo, no multiplayer required. Shares Simulation with QTI - Quantum Tunnel Idle.
This is a xiuzhen simulation placement game! From the refining of qi, building the foundation to the ascension of the celestial realm, crossed into the divine realm. （The game has been updated with the english mod, but you will need to select the "english" beta in the properties option to update it）
- 9
Child of Ash
Single-player alternative to QTI - Quantum Tunnel Idle — playable solo, no multiplayer required.
The hero who stopped a world-eating calamity was branded a demon by history. Centuries later, an orphan carrying his last fragment pieces the truth together from rumor and record. No combat — only Ashen Flame, a power that costs you with every use. Two loops. One truth.
- 10
BEAM Inc.
Single-player alternative to QTI - Quantum Tunnel Idle — playable solo, no multiplayer required. Shares Simulation with QTI - Quantum Tunnel Idle.
A short active incremental where you neutralize unknown specimens in a sterile research facility.