Games like Space Thinger
Games like Space Thinger include Project Wingman, KovaaK's, Drug Dealer Simulator, Retrowave, and Streets of Rage 4. We matched them by the tags players give Space Thinger on Steam (Action, Indie, Simulation, and Arcade): closest matches first, and among equally close ones the better-known games.

Project Wingman
Shared: Action · Indie · Arcade

KovaaK's
Shared: Action · Simulation · Indie

Drug Dealer Simulator
Shared: Action · Simulation · Indie

Retrowave
Shared: Indie · Action · Simulation

Streets of Rage 4
Shared: Action · Indie · Arcade

Wreckfest
Shared: Simulation · Action · Indie

Rogue Legacy 2
Shared: Action · Arcade · Indie

Aimlabs
Shared: Action · Simulation · Indie

War Thunder
Shared: Action · Simulation

Feed and Grow: Fish
Shared: Simulation · Action · Indie

Goat Simulator
Shared: Simulation · Indie · Action

LUFTRAUSERS
Shared: Indie · Action · Arcade

Total Tank Simulator
Shared: Action · Simulation · Indie

The Drone Racing League Simulator
Shared: Action · Simulation · Indie

Nuclear Option
Shared: Simulation · Action · Indie

UFO 50
Shared: Indie · Action · Arcade

Exit the Gungeon
Shared: Indie · Action · Arcade

Vector Thrust
Shared: Action · Simulation · Indie

鬼谷八荒 Tale of Immortal
Shared: Simulation · Action · Indie

Session: Skate Sim
Shared: Simulation · Indie · Action

Windowkill
Shared: Action · Indie · Arcade

Overcooked
Shared: Indie · Arcade · Simulation

Arma 3
Shared: Action · Simulation

Hard Bullet
Shared: Action · Simulation · Indie