IMHO.

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. 1
    Nazi Zombies — Steam game cover

    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.

    2026ActionIndieFree To PlayFreeFree to playSimilar games →
  2. 2
    Bloons TD Battles 2 — Steam game cover

    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!

    2021ActionStrategyIndieFreeDeck PlayableFree to playSimilar games →
  3. 3
    One-armed robber — Steam game cover

    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.

    2023ActionStrategyIndieFreeDeck PlayableFree to playSimilar games →
  4. 4
    Blackwake — Steam game cover

    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.

    2020ActionStrategyIndieFreeFree to playSimilar games →
  5. 5
    Eternal Return — Steam game cover

    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.

    2023StrategyIndieFree To PlayFreeDeck PlayableFree to playSimilar games →
  6. 6
    Darwin Project — Steam game cover

    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.

    2020ActionIndieFree To PlayFreeFree to playSimilar games →
  7. 7
    AirMech — Steam game cover

    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!

    2018ActionStrategyIndieFreeFree to playSimilar games →
  8. 8
    Tyr — Steam game cover

    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.

    2026ActionStrategyIndieFreeDeck PlayableFree to playSimilar games →