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Marimo vs. I.A.S

Marimo vs. I.A.S

Release dateJan 31, 2022

Ratings & reviews

A 2.5D shooter with old-fashioned side-scrolling and a way to attack enemies in the background. Fight with lock-on shots that can track up to 6 enemies appearing from the back of the screen at the same time, and forward charge shots that can penetrate enemies and enemy bullets.

AdventureArcadeActionSingle playerIndie

Media & gameplay showcase

Best Price Right Now

$8.99

Steam

Observed 38 days ago

Historical Low

$8.99

Steam

Observed Aug 28, 2026

Edition / bundle

Edition / bundle

Available at 1 store · 3 editions / bundles

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Marimo-VS-IAS

			Store Link
Steam	$8.99 Observed 38 days ago	0%	Purchase

Steam
$8.99
Observed 38 days ago
0%
Purchase

Marimo-VS-IAS Game&OST

			Store Link
Steam	$10.90 Observed 38 days ago	0%	Purchase

Steam
$10.90
Observed 38 days ago
0%
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Marimo-VS-IAS Series

			Store Link
Steam	$23.18 Observed 38 days ago	0%	Purchase

Steam
$23.18
Observed 38 days ago
0%
Purchase

Price History

Edition / bundle

Observed	Steam · USD
38 days ago	$8.99

About Marimo vs. I.A.S

A 2.5D shooter with old-fashioned side-scrolling and a way to attack enemies in the background. Fight with lock-on shots that can track up to 6 enemies appearing from the back of the screen at the same time, and forward charge shots that can penetrate enemies and enemy bullets.

Game details

Release date

Jan 31, 2022

Platforms

Mac, Nintendo Switch, PC (Microsoft Windows)

Genres

Adventure, Arcade, Indie, Shooter

Themes

Action

Game modes

Single player

Player perspective

Side view

Languages

Language	Audio	Interface	Subtitles
English
Japanese

Age ratings

ESRB: E, PEGI: 3, GRAC: ALL

Steam Deck Compatibility

Unrated