Free games like Screeps: World
Below are 9 free-to-play Steam games similar to Screeps: World, 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 Screeps: World page.
Ranked picks
- 1
Age of Empires III: Definitive Edition
Free-to-play alternative to Screeps: World — no purchase or trial window. Shares Strategy with Screeps: World.
Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product.
- 2
Upload Labs
Free-to-play alternative to Screeps: World — no purchase or trial window. Shares Simulation with Screeps: World.
A sci-fi management game where you build and optimize your computer's system from the ground up. Connect and configure interconnected nodes to efficiently download, process, and upload files. Manage your setup, solve system challenges, and become the ultimate system architect
- 3
Empires Mod
Free-to-play alternative to Screeps: World — no purchase or trial window. Shares Strategy with Screeps: World.
Unique strategy/first person shooter mix: One commander on each team plays from above, choosing research, placing buildings and giving orders. The rest fill the role of soldiers on the ground, with four distinct classes to choose from and customizable vehicles to drive.
- 4
Zero-K
Free-to-play alternative to Screeps: World — no purchase or trial window. Shares Strategy and Indie with Screeps: World.
With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps.
- 5
Bitburner
Free-to-play alternative to Screeps: World — no purchase or trial window.
Bitburner is a programming-based incremental game. Write scripts in JavaScript to automate gameplay, learn skills, play minigames, solve puzzles, and more in this cyberpunk text-based incremental RPG.
- 6
AirMech
Free-to-play alternative to Screeps: World — no purchase or trial window. Shares Strategy and Indie with Screeps: World.
AirMech® Strike is a fast paced Action-RTS game that can be played solo, coop, or competitively online. Earn Kudos and Experience in battle and unlock a wide collection of AirMechs and Units while you practice the perfect strategy to emerge victorious!
- 7
Plasma
Free-to-play alternative to Screeps: World — no purchase or trial window. Shares Indie and Simulation with Screeps: World.
Plasma is a pure engineering sandbox. Use advanced visual programming and robotics tools to create anything you can imagine.
- 8
Trimps
Free-to-play alternative to Screeps: World — no purchase or trial window. Shares Strategy and Indie with Screeps: World.
A text-based incremental idle game with a ridiculous amount of unique content. Automate old stuff as you unlock new stuff to keep things interesting for hours and hours, no spam clicking necessary! Trimps is everything you love about your favorite games, distilled to their purest form.
- 9
Stronghold Kingdoms
Free-to-play alternative to Screeps: World — no purchase or trial window. Shares Strategy and Massively Multiplayer with Screeps: World.
A massively multiplayer grand strategy game, Stronghold Kingdoms is about forging alliances, political mind games, city-building and castle sieges with thousands of other players!