Free games like Rogue System
Below are 8 free-to-play Steam games similar to Rogue System, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Rogue System page.
Ranked picks
- 1
Exo One: Prologue
Free-to-play alternative to Rogue System — no purchase or trial window. Shares Simulation with Rogue System.
A strange signal... an alien craft... an interplanetary, gravity-defying journey through space and time. This is the prologue for Exo One.
- 2
Orbital Physics Simulator
Free-to-play alternative to Rogue System — no purchase or trial window. Shares Simulation with Rogue System.
Master physics in this hardcore orbital simulator where Einstein’s theories come to life. Plot trajectories and manipulate spacetime via general relativity, time dilation, and length contraction. Command your starship, outrun time, and explore a universe governed by real physics.
- 3
Prosperous Universe
Free-to-play alternative to Rogue System — no purchase or trial window. Shares Simulation with Rogue System.
In Prosperous Universe start your galactic empire by trading on the real-time market exchange with other real players. Build your 1st base from humble beginnings & watch as your business flourishes with complex supply chain strategies. Economics, politics & realism fuel this immersive business MMO.
- 4
Astral Shipwright
Free-to-play alternative to Rogue System — no purchase or trial window. Shares Simulation with Rogue System.
Build and upgrade your personal ship to travel around a strange planet.
- 5
Lunar Odyssey
Free-to-play alternative to Rogue System — no purchase or trial window. Shares Simulation with Rogue System.
Don your xEMU Spacesuit, explore the Orontius Crater, and Lunar Module in an immersive first-person VR experience with out of this world accuracy and interaction. Follow real-life procedures, launch the Apollo-era Lunar Module, play Space Golf, and experience the moon like never before.
- 6
Rover Mechanic Challenge - ERC Competition
Free-to-play alternative to Rogue System — no purchase or trial window. Shares Simulation with Rogue System.
𝗘𝗥𝗖 𝗥𝗼𝘃𝗲𝗿 𝗠𝗲𝗰𝗵𝗮𝗻𝗶𝗰 𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 is an e-tournament based on the world's only simulator for repairing Mars Rovers. Take part in solving challenging tasks and become the master of leader board.
- 7
RoboDeal Simulator Prologue
Free-to-play alternative to Rogue System — no purchase or trial window. Shares Simulation with Rogue System.
Design, craft, and trade robots on the frozen world of Xylaris-9. Serve factions, upgrade your facility, and shape your robotic legacy in Robodeal Simulator.
- 8
Starship Simulator
Free-to-play alternative to Rogue System — no purchase or trial window. Shares Simulation with Rogue System.
Explore a scientifically accurate Milky Way galaxy and discover distant uncharted worlds, while having unrestricted access to every deck of your Magellan Class deep space exploration vessel. Interact with numerous fully simulated ship systems, or simply relax in the bar and watch the stars drift by.