Free games like Breakthrough
Below are 8 free-to-play Steam games similar to Breakthrough, 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 Breakthrough page.
Ranked picks
- 1

POSTAL
Free-to-play alternative to Breakthrough — no purchase or trial window. Shares Action with Breakthrough.
Take control of The POSTAL Dude in his infamous first outing as he battles to survive in a world gone mad! POSTAL is a classic isometric shooter filled to the brim with fast-paced explosive action.
- 2

Disfigure
Free-to-play alternative to Breakthrough — no purchase or trial window. Shares Action with Breakthrough.
Disfigure is a grim-dark action rogue-like where you battle relentless hordes of monsters lurking in the shadows. Unlock powerful weapons, craft god-like builds with hundreds of upgrades, slay colossal bosses, and push your limits in intense 20–30 minute survival runs!
- 3

Relic Hunters Zero: Remix
Free-to-play alternative to Breakthrough — no purchase or trial window. Shares Action with Breakthrough.
Relic Hunters Zero: Remix is a remaster of the FREE 1 million player hit game about blasting evil space ducks and turtles with tiny cute guns. It’s fast, it’s tactical, and feels deliciously smooth to play. Unlock new weapons, characters and relics to defeat the Ducan Commander!
- 4

Skillshot City
Free-to-play alternative to Breakthrough — no purchase or trial window. Shares Action with Breakthrough.
Loot, shoot, cast and drive in this chaotic PvP Roguelite. Level up fast, draft wild skills, and create crazy combos on the fly. Explore a GTA-style battle royale with no queues or downtime as you prepare to win the final fight. Climb the ranks solo or with friends in 3-man squads!
- 5

Gatekeeper: Infinity
Free-to-play alternative to Breakthrough — no purchase or trial window. Shares Action with Breakthrough.
Prologue version of the game Gatekeeper. Gatekeeper: Infinity is a fast-paced rogue-lite shooter where you'll search for the stolen Heart of the Universe and battle machine enemies! Play solo or join forces with friends in co-op mode.
- 6

10 Minutes Till Dawn
Free-to-play alternative to Breakthrough — no purchase or trial window. Shares Action with Breakthrough.
Shoot down an ever growing horde of Lovecraftian monsters. Choose from a variety of upgrades to create unique and game-breaking builds. Unlock a diverse cast of characters and weapons with unique powers.
- 7

Alien Swarm: Reactive Drop
Free-to-play alternative to Breakthrough — no purchase or trial window. Shares Action with Breakthrough.
Co-operative top-down shooter game available for free. An epic bug hunt featuring a unique blend of co-op play and squad-level tactics.
- 8

SAS: Zombie Assault 4
Free-to-play alternative to Breakthrough — no purchase or trial window. Shares Action with Breakthrough.
Purge the undead! Intense action-shooter with deep rpg elements, including upgradeable guns and armor, unique class skills, and class special abilities. Entire game can be played single player or as a 4-player online co-op game, including PvP events like Last Man Standing.