Single-player games like SQUARE BOX
Below are 11 single-player Steam games similar to SQUARE BOX, 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 SQUARE BOX page.
Ranked picks
- 1

Kerbal Space Program
Single-player alternative to SQUARE BOX — playable solo, no multiplayer required. Shares Indie and Simulation with SQUARE BOX.
In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.
- 2

This War of Mine
Single-player alternative to SQUARE BOX — playable solo, no multiplayer required. Shares Indie and Simulation with SQUARE BOX.
In This War Of Mine you do not play as an elite soldier, rather a group of civilians trying to survive in a besieged city; struggling with lack of food, medicine and constant danger from snipers and hostile scavengers. The game provides an experience of war seen from an entirely new angle.
- 3

Kenshi
Single-player alternative to SQUARE BOX — playable solo, no multiplayer required. Shares Indie and Simulation with SQUARE BOX.
A free-roaming squad based RPG. Focusing on open-ended sandbox gameplay features rather than a linear story. Be a trader, a thief, a rebel, a warlord, an adventurer, a farmer, a slave, or just food for the cannibals. Train your men up from puny victims to master warriors.
- 4

Wreckfest
Single-player alternative to SQUARE BOX — playable solo, no multiplayer required. Shares Indie and Simulation with SQUARE BOX.
Wreckfest is a demolition derby themed racing game with soft-body damage modeling, sophisticated driving dynamics and in-depth vehicle upgrading, featuring both demolition derbies and more traditional track races. It’s all about fun, breakneck racing and over-the-top crashes.
- 5

Banished
Single-player alternative to SQUARE BOX — playable solo, no multiplayer required. Shares Indie and Simulation with SQUARE BOX.
In this city-building strategy game, you control a group of exiled travelers who decide to restart their lives in a new land. They have only the clothes on their backs and a cart filled with supplies from their homeland. The townspeople of Banished are your primary resource.
- 6

Door Kickers
Single-player alternative to SQUARE BOX — playable solo, no multiplayer required. Shares Indie and Simulation with SQUARE BOX.
Door Kickers is an innovative realtime strategy game that puts you in charge of a SWAT team and lets you command them during a tactical intervention.
- 7

Mini Metro
Single-player alternative to SQUARE BOX — playable solo, no multiplayer required. Shares Indie and Simulation with SQUARE BOX.
Mini Metro is a strategy simulation game about designing a subway map for a growing city. Draw lines between stations and start your trains running. As new stations open, redraw your lines to keep them efficient. Decide where to use your limited resources. How long can you keep the city moving?
- 8

Game Dev Tycoon
Single-player alternative to SQUARE BOX — playable solo, no multiplayer required. Shares Indie and Simulation with SQUARE BOX.
In Game Dev Tycoon you replay the history of the gaming industry by starting your own video game development company in the 80s. Create best selling games. Research new technologies and invent new game types. Become the leader of the market and gain worldwide fans.
- 9

METALWORKING
Single-player alternative to SQUARE BOX — playable solo, no multiplayer required. Shares Indie and Simulation with SQUARE BOX.
This is a metalworking workshop simulator. He enters the industry and works as a skilled worker. Manage robotic islands. Drive the forklift and procure the raw material. Make a difference with your muscle strength and experience.
- 10

STARS COMMANDER
Single-player alternative to SQUARE BOX — playable solo, no multiplayer required. Shares Indie with SQUARE BOX.
This is a game set in space and focused on trade of resources between spaceships and space stations.
- 11

The drawing of the Apocalypse
Single-player alternative to SQUARE BOX — playable solo, no multiplayer required. Shares Indie with SQUARE BOX.
This is the narrative of the Apocalypse of John, the last book of the Bible, told with the use of images pre-generated by artificial intelligence and accompanied by a short caption.