Free games like March of Giants
Below are 11 free-to-play Steam games similar to March of Giants, 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 March of Giants page.
Ranked picks
- 1

Ultimate Custom Night
Free-to-play alternative to March of Giants — no purchase or trial window. Shares Action and Free To Play with March of Giants.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2

Bongo Cat
Free-to-play alternative to March of Giants — no purchase or trial window. Shares Simulation and Free To Play with March of Giants.
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?
- 3

STRAFTAT
Free-to-play alternative to March of Giants — no purchase or trial window. Shares Action with March of Giants.
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.
- 4

Counter-Strike:Global Offensive
Free-to-play alternative to March of Giants — no purchase or trial window. Shares Action and Free To Play with March of Giants.
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.).
- 5

The Expendabros
Free-to-play alternative to March of Giants — no purchase or trial window. Shares Action and Free To Play with March of Giants.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 6

The Lab
Free-to-play alternative to March of Giants — no purchase or trial window. Shares Free To Play with March of Giants.
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!
- 7

Cinderella Phenomenon - Otome/Visual Novel
Free-to-play alternative to March of Giants — no purchase or trial window. Shares Simulation and Free To Play with March of Giants.
The Fairytale Curse was only the beginning...
- 8

DORONKO WANKO
Free-to-play alternative to March of Giants — no purchase or trial window. Shares Action and Simulation with March of Giants.
『DORONKO WANKO』 is a DORONKO Action Game. In this game, You can become a cute, innocent Pomeranian, make your master's home messy and dirty. "Will the master be angry with me?" Don't worry. Because you are a sweet doggie.
- 9

Prime World Legends
Free-to-play alternative to March of Giants — no purchase or trial window. Shares Action and Strategy with March of Giants.
Prime World Legends is a free online game in RPG / MOBA genre with a unique universe where tactical session battles, castle management, and hero development are mixed together. Gather your collection of talents, build an army of invincible heroes and become the champion!
- 10

Dota 2
Free-to-play alternative to March of Giants — no purchase or trial window. Shares Action and Strategy with March of Giants.
Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover. With regular updates that ensure a constant evolution of gameplay, features, and heroes, Dota 2 has taken on a life of its own.
- 11

Art of War: Red Tides
Free-to-play alternative to March of Giants — no purchase or trial window. Shares Strategy and Free To Play with March of Giants.
Art of War: Red Tides is a fair multiplayer strategy game that allows different teams on the same platform (e.g. smartphones, PC, etc.) to battle against each other. You will encounter players around the world!