Last 7 days · history since Nov 1, 2026
Screenshots, achievements, specs, every price change and sale we've seen on Steam, and trading cards.
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Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.
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100% positive of 4 · 4 user reviews · Live from Steam
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Cute marimo take down waves of invading alien species in this side-scrolling shooter! A 2.5D shooting game that blends classic side-scrolling action with strategic depth-based combat. Target priority and strategy are the keys to achieving high scores!
Live data from Steam, tracked by SteamPlayerBase.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 100% on 2026-11-01 → 100% today (4 reviews)
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Not tested by Valve yet. Results from Valve's own testing.
Valve hasn't published test details for this game.
Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
-Fix minor bugs
-Fixed a bug that charging is not restarted in some scenes when automatic shot is disabled. -Fixed the problem that the marker is not displayed on the lockable target. -Adjusted the movement and attack of some enemies -Fixed a bug that the player moves regardl…
-Improved game performance -Adjusted the difficulty -Changed the placement, behavior, HP, etc. of some objects. -Fixed some bugs in the production and made changes. -Fixed a bug in the behavior of player. -Changed some UI and text -Changed to send the score wi…
Version 1.1.8 -Changed to record if the score at the time of revival (continue) is high. Version 1.1.7 -Adjusted the placement and behavior of some enemies and fixed bugs -Changed some production expressions -Adjusted the Lock-on Shot speed -Other minor bug fi…
-Adjusted the placement and behavior of some enemies and fixed bugs -Changed some production expressions -Adjusted the Lock-on Shot speed -Other minor bug fixes are included
Version 1.1.4 -Fixed the problem that the game was restarted without the continuation screen disappearing. -Fixed a bug where the position would rise more than necessary when firing a charge shot near the ground. -Adjusted the range where lock-on occurs
A brand-new 3D action game, “Marimo-VS-IAS: Our Friends,” is now available, telling the story of Marimo-VS-IAS from another marimo’s perspective!Launch sale now on until April 11!Take advantage of our limited-time launch sale! → Store Page
1 item on Steam, newest first.