IMHO.

Games like Trigonarium

If Trigonarium is your kind of game, the closest matches are Centipede: Recharged, Sleeper Agent and Chippy — picked from the ranked list below. Reviewers single out its atmospheric, challenging and intense. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.

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About Trigonarium: Trigonarium is a hardcore twin-stick shooter for fans of challenging arcade gaming. Fight your way through multitudes of enemy formations in constantly shifting battle arenas to face the colossal level bosses.

2015ActionIndie0.49 USDWindowsby Kimmo Lahtinen
Trigonarium — Steam game cover
Players highlight
Dash mechanic grants invulnerability and explosive burstsEnemy patterns are complex and variedLocal co op adds social replayabilityAtmosphericChallengingIntense

Players who liked Trigonarium also play

Steam players who put hours into Trigonarium also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.

  1. Centipede: Recharged

    WHY THIS

    Shares a challenging mood with Trigonarium.

    Top pick for Trigonarium fans by collaborative filtering across millions of Steam libraries. Shares Action with Trigonarium.

    Blast bugs and chase high scores in this glorious revival of an old-school classic, all while jamming to a heart-pounding original score by Megan McDuffee. Play solo or tag in a friend for local co-op across 30 unique challenges or the endless arcade mode.

    2021Action9.99 USDDeck PlayableSteam ↗
  2. Sleeper Agent

    WHY THIS

    Second-strongest match for Trigonarium fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Trigonarium.

    Sleeper Agent is a top-down, couch co-op where you play as two mischievous aliens with unique abilities, JUMBO and SLIM, tethered together as they drag along the unconscious body of a secret agent! THRASH, STUMBLE, and SMASH your way through the levels! Oh! And be sure not to wake the agent..

    ActionIndieAdventureFreeSteam ↗
  3. Chippy

    WHY THIS

    Shares local co op and an intense mood with Trigonarium.

    Third-strongest match for Trigonarium fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Trigonarium.

    Chip destructible bosses apart pixel-by-pixel in this twin-stick bullet-hell shooter.

    2019ActionIndie7.49 USDDeck VerifiedSteam ↗
  4. REPULSOR

    WHY THIS

    Ranked #4 for Trigonarium fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Trigonarium.

    REPULSOR is a challenging 360° Retro Arcade Shoot 'em Up featuring a color-switching gameplay mechanic.

    2022ActionIndie5.99 USDSteam ↗
  5. HYPER METEOR

    WHY THIS

    Ranked #5 for Trigonarium fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Trigonarium.

    YOU ARE LOST IN SPACE! ALL WEAPONS ARE DOWN! Survive by ramming your ship into meteors and hostile forces.

    2023ActionIndie7.99 USDDeck PlayableSteam ↗
  6. Battlestage

    WHY THIS

    Ranked #6 for Trigonarium fans by collaborative filtering across millions of Steam libraries. Shares Action with Trigonarium.

    - Co-op Twin Stick Shooter

    2020Action10.99 USDSteam ↗
  7. Bullet Hell Monday: Black

    WHY THIS

    Shares an atmospheric mood with Trigonarium.

    Ranked #7 for Trigonarium fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Trigonarium.

    This is a high-difficulty bullet hell shooting game and a sequel to "Bullet Hell Monday." It offers an exciting experience for players who demand advanced skills and precise strategies. As a common system, six types of special weapons are equipped, expanding the player's tactical range.

    2023ActionIndie8.99 USDSteam ↗
  8. Scientific Shutdown

    WHY THIS

    Ranked #8 for Trigonarium fans by collaborative filtering across millions of Steam libraries. Shares Action with Trigonarium.

    Scientific Shutdown is a top-down arcade shooter in which you find yourself kidnapped by Dr Hans Trottelstein, the mad scientist, to test the deadliness of his latest batch of rock monsters. With help from up to three friends, how many simulated environments can YOU survive?

    2021Action11.99 USDSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Doki Doki Literature Club!

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Trigonarium.

    The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.

    2017IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  2. Life is Strange - Episode 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Trigonarium.

    Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.

    2015ActionAdventureFreeDeck PlayableSteam ↗
  3. Helltaker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Trigonarium.

    Helltaker is a short game about sharply dressed demon girls.

    2020IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  4. Ultimate Custom Night

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Trigonarium.

    Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!

    2018ActionIndieFree To PlayFreeSteam ↗
  5. Bongo Cat

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Trigonarium.

    Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?

    2025IndieSimulationMassively MultiplayerFreeDeck PlayableSteam ↗
  6. The Murder of Sonic the Hedgehog

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Trigonarium.

    Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!

    2023IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  7. Indigo Park: Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Trigonarium.

    Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.

    2024ActionIndieAdventureFreeDeck PlayableSteam ↗
  8. STRAFTAT

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Trigonarium.

    STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.

    2024ActionFreeDeck PlayableSteam ↗

Frequently asked about Trigonarium

How much does Trigonarium cost?
Trigonarium is listed on Steam at 0.49 USD (current store price; Steam sales may reduce this temporarily).
Does Trigonarium have multiplayer or co-op?
Yes — Trigonarium supports multi-player play according to its Steam store listing (Multi-player, Shared/Split Screen Co-op, Co-op).
What games are most similar to Trigonarium?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Trigonarium are Centipede: Recharged, Sleeper Agent, Chippy.
Who developed Trigonarium?
Trigonarium was developed by Kimmo Lahtinen and published by Kimmo Factor Oy.

imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Trigonarium.

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16 Games Like Trigonarium — Ranked for 2026 · imho.run