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

Aimlabs
Free-to-play alternative to Containment Protocol — no purchase or trial window. Shares Action and Indie with Containment Protocol.
Aimlabs is the aim trainer of choice for over 45 Million players, from beginners to esports pros. Our unique aim analysis optimizes your gameplay, targets your weaknesses & builds key skills for any FPS game! Time to warm up with our unlimited scenarios & rank up in-game!
- 2

Blackwake
Free-to-play alternative to Containment Protocol — no purchase or trial window. Shares Action and Indie with Containment Protocol.
Blackwake is a multiplayer naval FPS focused on teamwork and cooperation. Fire the cannons, sink enemy ships or board them with firearms and steel.
- 3

Darwin Project
Free-to-play alternative to Containment Protocol — no purchase or trial window. Shares Action and Indie with Containment Protocol.
In Darwin Project, ten inmates must survive the elements, track each other, fight, craft tools, and use their social skills to be the last one standing. It's a unique take on battle royale with a Show Director to influence the match and Spectator Interactions to create a one-of-a-kind game show.
- 4

AirMech
Free-to-play alternative to Containment Protocol — no purchase or trial window. Shares Action and Indie with Containment Protocol.
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!
- 5

Tactical Monsters Rumble Arena
Free-to-play alternative to Containment Protocol — no purchase or trial window. Shares Indie and Adventure with Containment Protocol.
Are you ready to RUMMMBLE?
- 6

Astrometica: Prologue
Free-to-play alternative to Containment Protocol — no purchase or trial window. Shares Action and Indie with Containment Protocol.
Astrometica: Prologue is the free game about surviving in space. You need to use your skills and tools to stay alive. There are many challenges to face, and you need to fight to survive. You also need to build a new base in space.
- 7

Cat Burglar: A Tail of Purrsuit
Free-to-play alternative to Containment Protocol — no purchase or trial window. Shares Indie and Adventure with Containment Protocol.
Cat Burglar is a short, light-hearted, stealth, puzzle platformer with a pet charity awareness campaign. Help Kat find her way into the Dogo Corps base to discover Major Bulls' master plan.
- 8

Goblin Summer Camp
Free-to-play alternative to Containment Protocol — no purchase or trial window. Shares Action and Indie with Containment Protocol.
The one true multiplayer goblin simulator. Play Goblin Tag and acquire power ups that let you leap across the entire map. Play Hide and Seek and annoy your friends with ‘REEEES’ when they cant find you. Stay alive in Death Run without being trapped. Be a goblin and do goblin things!