Free games like RTS Outpost
Below are 10 free-to-play Steam games similar to RTS Outpost, 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 RTS Outpost page.
Ranked picks
- 1
STRAFTAT
Free-to-play alternative to RTS Outpost — no purchase or trial window. Shares Action with RTS Outpost.
STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.
- 2
Counter-Strike:Global Offensive
Free-to-play alternative to RTS Outpost — no purchase or trial window. Shares Action with RTS Outpost.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
- 3
The Lab
Free-to-play alternative to RTS Outpost — no purchase or trial window.
Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!
- 4
Control, I'm Not Coming Back
Free-to-play alternative to RTS Outpost — no purchase or trial window.
Control, I'm Not Coming Back is a short and emotional narrative game about a lost astronaut searching for a reason to keep going forward while facing the emptiness of space. Inspired by the Hopecore aesthetic, it’s a story about positivism, friendship and our human connection with Voyager 1.
- 5
Landfall Archives
Free-to-play alternative to RTS Outpost — no purchase or trial window. Shares Action and Strategy with RTS Outpost.
Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!
- 6
Electoral Carnage
Free-to-play alternative to RTS Outpost — no purchase or trial window. Shares Action with RTS Outpost.
Electoral Carnage is an absurd 2D fighting game featuring America's most famous (and infamous) politicians. If you don't download it you hate America. Also JFK can assassinate himself. What more do you need to know?
- 7
Outpath: First Journey
Free-to-play alternative to RTS Outpost — no purchase or trial window.
Outpath: First Journey is a prologue chapter of the main game, Outpath. An experimental clicker base building game. Craft, gather & manage resources, build your base and buy more islands to exploit and expand!
- 8
I MAED A GAM3 W1TH Z0MB1ES 1N IT!!!1
Free-to-play alternative to RTS Outpost — no purchase or trial window. Shares Action with RTS Outpost.
A top down twin stick zombie slaying shooter that you are sure to play again and again!
- 9
Iron Pact
Free-to-play alternative to RTS Outpost — no purchase or trial window. Shares Strategy with RTS Outpost.
A persistent, planet-scale real-time strategy MMO on one shared Earth. Forge alliances or betray them, hold your supply lines, and live with every mile of ground you take or lose. Real-time fronts that never pause. No rounds, no resets.
- 10
Instant War
Free-to-play alternative to RTS Outpost — no purchase or trial window. Shares Strategy with RTS Outpost.
Embark on a military strategy 4X RTS game, in a world where your battle tactics and your massive army are the keys to victory. Instant War delivers an amazing battlefield experience in a realistic military game. As a commander, you develop your military base and lead your army to victory!