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

Nazi Zombies
Free-to-play alternative to Aggressors — no purchase or trial window. Shares Early Access with Aggressors.
Nazi Zombies is a cooperative survival game where players fend off escalating waves of Nazi zombies, earning points by killing zombies and repairing barriers to buy weapons, upgrades, perks, and unlock new map areas to maximize their survival.
- 2

Bloons TD Battles 2
Free-to-play alternative to Aggressors — no purchase or trial window.
From the creators of Bloons TD6... Bloons TD Battles 2 is a brand new installment of the top-rated head-to-head tower defense game. Gather your Hero, choose your team of powerful Monkey Towers, and prepare to battle one on one against other players and relentless waves of Bloons!
- 3

One-armed robber
Free-to-play alternative to Aggressors — no purchase or trial window.
One-armed robber is a chaotic first-person heist game that centers around a uniquely challenging premise. Players take the role of a determined robber equipped with only one arm, tasked with pulling off daring heists on banks, shops, and various establishments.
- 4

Blackwake
Free-to-play alternative to Aggressors — no purchase or trial window.
Blackwake is a multiplayer naval FPS focused on teamwork and cooperation. Fire the cannons, sink enemy ships or board them with firearms and steel.
- 5

Eternal Return
Free-to-play alternative to Aggressors — no purchase or trial window.
Eternal Return is a free-to-play, 2.5D perspective Battle Royale game. Search, Craft, Hunt, and Fight using a variety of characters. Plan your strategy and become the last survivor on this eternal experiment.
- 6

Darwin Project
Free-to-play alternative to Aggressors — no purchase or trial window.
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.
- 7

AirMech
Free-to-play alternative to Aggressors — no purchase or trial window.
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!
- 8

Tyr
Free-to-play alternative to Aggressors — no purchase or trial window.
Tyr is a multiplayer tank shooter. Pilot heavy-armored vehicles with unique capabilities and upgrade them as you battle for victory with your team.