PCGame

MO:Astray

A puzzle-platformer about a blob that can read minds

Archpray Inc. · Published by Rayark International Limited · Released Oct 24, 2019

ActionAdventureIndie

Reviews
Very Positive
92% of 4,230
Recent reviews
Not enough recent
Players
0
daily peak, Oct 29, 2026
Steam Deck
Verified
Last update on Steam
5 years ago
Nov 30, 2020
Minimum PC
HD 520
8 GB RAM · 10 GB disk
Full requirements

What is MO:Astray?

This single-player, 2D sci-fi puzzle-platformer follows MO, a jelly-like creature that awakens in an abandoned laboratory overrun by alien organisms. You progress through levels by sticking to surfaces, dashing through the air, and taking over enemies while solving puzzles, avoiding traps, and fighting bosses.

For you if...

  • +you like observing hazards and planning your route
  • +you enjoy unsettling science fiction with a cute protagonist

Not for you if...

  • −you want constant action with little puzzle-solving
  • −you avoid gore and parasitic creatures

What players say

92% of 4,230 reviews are positive

Players praise the pixel art, animation, soundtrack, and storytelling, along with MO's unusual movement. Some players find sections slow or drawn out.

Screenshots and trailer

MO:Astray screenshot 1

MO:Astray system requirements

Minimum: HD 520, 8 GB RAM, 10 GB of disk space.

As published by the developer.

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Minimum

OS
Windows 7
Processor
Intel Core i5-6200 CPU @ 2.3GHz
Graphics
Intel HD Graphics 520
Memory
8 GB RAM
Storage
10 GB available space
DirectX
Version 9.0c

Recommended

OS
Windows 10
Processor
Intel Core i5-4210H CPU @ 2.9GHz
Graphics
Nvida GTX 960
Memory
8 GB RAM
Storage
10 GB available space
DirectX
Version 11

Does MO:Astray have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Does MO:Astray run on Steam Deck?

Verified Yes, Verified by Valve: it works on Steam Deck out of the box.

  • All functionality is accessible with the default controller configuration
  • Shows Steam Deck controller icons
  • In-game text is legible on Steam Deck
  • Default graphics settings perform well on Steam Deck

PC version details

DRM
None declared on Steam
Controller
Full controller support
Platforms
Windows
Achievements
26
Steam features
Cloud saves, Family Sharing, Trading cards
Languages
Text only: English, Japanese, Traditional Chinese, Korean, Simplified Chinese.

Does MO:Astray use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam

Tags

Recent updates

1 DLC available.

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