IMHO.

Games like Octo Armada

If Octo Armada is your kind of game, the closest matches are Gravity Slugger, Shoot Some Rocks and Winnie-the-Pooh Redux: Halloween Survivors — picked from the ranked list below. 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 Octo Armada: Octo Armada is a fast-paced space survivor roguelite where you pilot a spaceship through relentless waves of Octos. Collect Crystals to unlock powerful upgrades and create devastating builds to survive the invasion.

2026ActionIndieCasualWindowsby Akatoi
Octo Armada — Steam game cover

Players who liked Octo Armada also play

Steam players who put hours into Octo Armada 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. Gravity Slugger

    WHY THIS

    Top pick for Octo Armada fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Octo Armada.

    Gravity Slugger is an arcade-style wave defense game where you use gravity and orbital mechanics to fling projectiles at attacking enemy spaceships. Dodge enemies, gather salvage, and upgrade your skills with chaotic and deadly abilities in this physics-based 2D game.

    2026ActionIndieSimulationSteam ↗
  2. Shoot Some Rocks

    WHY THIS

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

    A bullet hell roguelite about a lonely worker drinking alone in space on Christmas Eve. Survive waves of cosmic chaos, get a cold beer, and face five massive bosses inspired by real space calamities.

    ActionIndieCasualSteam ↗
  3. Winnie-the-Pooh Redux: Halloween Survivors

    WHY THIS

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

    Heal instead of harm in this wholesome Halloween bullet heaven! Play as 9 magical versions of Pooh, recruit a Ghost Army, collect Candy Corn, upgrade your abilities, and restore peace to the Hundred Acre Wood.

    ActionIndieCasualSteam ↗
  4. Mega Raiders

    WHY THIS

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

    You know when the screen is just exploding with enemies, you're leveling up like crazy? Yeah, we made that in CO-OP. Grab your squad, build your character, use your ultimate, and enter the boss lairs to slay them. Everything is different when you're wrecking stuff with your crew.

    ActionIndieCasualSteam ↗
  5. Shard Squad

    WHY THIS

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

    Form a squad of elemental creatures and face hordes of challenging enemies! Choose your Shards according to their synergies to gain new abilities, and equip relics that will make the winds blow in your favor! Survive through different environments and save your lands!

    2025ActionIndieAdventure6.99 USDDeck PlayableSteam ↗
  6. Galactic Vault

    WHY THIS

    Ranked #6 for Octo Armada fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Octo Armada.

    Build your weapon to its full potential in Galactic Vault, a fast-paced FPS roguelite. Discover endless upgrade combinations, craft diverse builds, and unleash devastating abilities. Get ready to infiltrate high-security vaults and recover lost tech.

    2026ActionIndie19.99 USDSteam ↗
  7. Boom Buddies

    WHY THIS

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

    Boom Buddies is a fixed-position bullet hell survival game where animal heroes face endless enemy waves, upgrade weapons through card choices, unlock new characters, and compete on global leaderboards.

    2026ActionIndieCasual2.99 USDSteam ↗
  8. Megabonk

    WHY THIS

    Ranked #8 for Octo Armada fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Octo Armada.

    Smash your way through endless waves of enemies and grow absurdly powerful! Grab loot, level up, unlock characters and upgrade to create unique and crazy builds as you fend off hordes of creatures!

    2025ActionIndieCasual9.99 USDDeck VerifiedSteam ↗

Free alternatives

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

  1. Sheepy: A Short Adventure

    WHY THIS

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

    A Short Handcrafted Pixel Art Platformer that follows Sheepy, an abandoned plushy brought to life. Sheepy: A Short Adventure is the first short game from MrSuicideSheep.

    2024IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  2. Awaria

    WHY THIS

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

    Awaria is a short game about working in haunted maintenance tunnels.

    2024ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  3. The Expendabros

    WHY THIS

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

    The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.

    2014ActionIndieAdventureFreeDeck VerifiedSteam ↗
  4. Iron Snout

    WHY THIS

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

    Iron Snout is a fast, colorful and brutal fighting game in which you will be helping a piglet fight for its life against hordes of wolves.

    2016ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  5. Star Fetchers

    WHY THIS

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

    The introduction to a wild ride with gangsters and deep state conspiracy theories

    2020ActionIndieAdventureFreeDeck PlayableSteam ↗
  6. Magic Archery

    WHY THIS

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

    Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.

    2024IndieSimulationRPGFreeDeck PlayableSteam ↗
  7. Coloring Pixels

    WHY THIS

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

    A relaxing coloring by numbers game. Enjoy completing a variety of images with differing themes, complexity, and sizes.

    2018IndieFree To PlayCasualFreeSteam ↗
  8. Eternal Senia

    WHY THIS

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

    Thoughts and expectations ARPG

    2015ActionIndieRPGFreeDeck PlayableSteam ↗

Frequently asked about Octo Armada

What games are most similar to Octo Armada?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Octo Armada are Gravity Slugger, Shoot Some Rocks, Winnie-the-Pooh Redux: Halloween Survivors.
Who developed Octo Armada?
Octo Armada was developed by Akatoi.

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 Octo Armada.

For library-aware picks tuned to your specific taste, sign in with Steam on the home page.

16 Games Like Octo Armada — Ranked for 2026 · imho.run