IMHO.

Free games like tri.Attack();

Below are 8 free-to-play Steam games similar to tri.Attack();, 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 tri.Attack(); page.

Ranked picks

  1. 1
    BEEP — Steam game cover

    BEEP

    Free-to-play alternative to tri.Attack(); — no purchase or trial window. Shares Indie with tri.Attack();.

    A combination of platforming with a gravity gun, BEEP is an amazing physics-platformer. Despite its friendly art style, this is a hardcore platformer in the truest sense.

    2011IndieAdventureFreeFree to playSimilar games →
  2. 2
    Echoes+ — Steam game cover

    Echoes+

    Free-to-play alternative to tri.Attack(); — no purchase or trial window. Shares Action and Indie with tri.Attack();.

    Echoes+ is an intense retro action space shooter that will test your reaction and concentration levels to the max!

    2015ActionIndieFree To PlayFreeFree to playSimilar games →
  3. 3
    Shooty Skies — Steam game cover

    Shooty Skies

    Free-to-play alternative to tri.Attack(); — no purchase or trial window. Shares Action and Indie with tri.Attack();.

    The creators of Crossy Road present Shooty Skies! Shoot, dodge, duck, goose and weave. Take to the skies!

    2018ActionIndieFree To PlayFreeDeck VerifiedFree to playSimilar games →
  4. 4
    WOWOWOW KORONE BOX — Steam game cover

    WOWOWOW KORONE BOX

    Free-to-play alternative to tri.Attack(); — no purchase or trial window. Shares Action with tri.Attack();.

    A hololive fangame featuring Inugami Korone of hololive GAMERS! Collect as many Korone Boxes as possible while contending with an endless onslaught of enemies and bosses using whatever weapons you happen to pick up!

    2024ActionFree To PlayFreeDeck VerifiedFree to playSimilar games →
  5. 5
    1982 — Steam game cover

    1982

    Free-to-play alternative to tri.Attack(); — no purchase or trial window. Shares Action and Indie with tri.Attack();.

    1982 is a FREE retro inspired blasta-thon that will test your gaming skills to the max.

    2017ActionIndieFree To PlayFreeDeck PlayableFree to playSimilar games →
  6. 6
    SWARMRIDERS — Steam game cover

    SWARMRIDERS

    Free-to-play alternative to tri.Attack(); — no purchase or trial window. Shares Action and Indie with tri.Attack();.

    SWARMRIDERS is a FREE "endless runner"+"twin stick shooter" ARCADE mashup. A "machine gun swarm surfing minigame" made as a bonus content for the UBERMOSH community.

    2016ActionIndieFree To PlayFreeDeck VerifiedFree to playSimilar games →
  7. 7
    MSI Electric City: Core Assault — Steam game cover

    MSI Electric City: Core Assault

    Free-to-play alternative to tri.Attack(); — no purchase or trial window. Shares Action and Indie with tri.Attack();.

    Rediscover MSI Electric City as you pilot a fighter ship with the mission to defend the city. Maneuver and blast away the enemy swarm in this VR bullet hell arcade shoot ’em up.

    2017ActionIndieAdventureFreeFree to playSimilar games →
  8. 8
    TimeTekker — Steam game cover

    TimeTekker

    Free-to-play alternative to tri.Attack(); — no purchase or trial window. Shares Action and Indie with tri.Attack();.

    TimeTekker is an arcade shoot em' up where your actions dictate the speed of time itself! Overcome the endless hail of bullets at your own pace and become the ultimate ninja!

    2018ActionIndieFreeDeck PlayableFree to playSimilar games →