Single-player games like Irongrim Tower
Below are 9 single-player Steam games similar to Irongrim Tower, 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 Irongrim Tower page.
Ranked picks
- 1
Orbit Engineer
Single-player alternative to Irongrim Tower — playable solo, no multiplayer required. Shares Strategy and Indie with Irongrim Tower.
Orbit Engineer – Build, grow, and survive in your own space station. Manage crew morale, supplies, and research while facing unpredictable space events and system failures. Every decision matters as you expand and fight to keep your station alive in space.
- 2
Mars Base Alley
Single-player alternative to Irongrim Tower — playable solo, no multiplayer required. Shares Indie and Simulation with Irongrim Tower.
Mars Base Alley is a cozy city-builder about creating the perfect little corner of humanity on the red planet—one alley at a time.
- 3
Surviving Mars
Single-player alternative to Irongrim Tower — playable solo, no multiplayer required. Shares Strategy and Simulation with Irongrim Tower.
There will be challenges to overcome. Execute your strategy and improve your colony’s chances of survival while unlocking the mysteries of this alien world. Are you ready? Mars is waiting for you.
- 4
Asteroid Colony
Single-player alternative to Irongrim Tower — playable solo, no multiplayer required. Shares Strategy and Indie with Irongrim Tower.
In this real time strategy city builder game you will help humanity in reaching beyond earth by establishing a permanent and thriving settlement in the asteroid belt. Settling in space comes with enormous challenges and dangers, which you will have to guide your people through
- 5
Terraformers: First Steps on Mars
Single-player alternative to Irongrim Tower — playable solo, no multiplayer required. Shares Strategy and Simulation with Irongrim Tower.
Terraformers: First Steps on Mars is a free prologue of Terraformers, featuring an exclusive challenge to lead humanity's first attempt at settling the Red Planet.
- 6
Outer Space Shack
Single-player alternative to Irongrim Tower — playable solo, no multiplayer required. Shares Strategy and Simulation with Irongrim Tower.
Build and manage space outposts on the Moon and Mars in this realistic simulation game. From the first step on the Moon to Mars colonization, launch rockets, take care of your astronauts and expand your base as you explore the cosmos. No grind, just pure management and exploration fun.
- 7
Citizens: On Mars
Single-player alternative to Irongrim Tower — playable solo, no multiplayer required. Shares Strategy with Irongrim Tower.
Experience the ultimate turn-based colony building game in Citizens: On Mars! As the leader of a fledgling Martian settlement, your mission is to develop a thriving colony amidst the harsh and unforgiving environment of the Red Planet.
- 8
Mars Rapid Transit
Single-player alternative to Irongrim Tower — playable solo, no multiplayer required. Shares Strategy and Simulation with Irongrim Tower.
Train tycoon game set on Mars. Engineer a fast and efficient train network, build a thriving business and grow a dynamic economy.
- 9
Rolling Front
Single-player alternative to Irongrim Tower — playable solo, no multiplayer required. Shares Strategy and Indie with Irongrim Tower.
A real-time strategy game about building your kingdom of rolling balls and destroying the enemies.