PCGame

PLANET ALPHA

A side-scrolling puzzle-platformer where you control night and day

Planet Alpha ApS · Published by Team17 Digital Ltd · Released Sep 4, 2018

ActionAdventureIndie

Reviews
Mostly Positive
76% of 663
Recent reviews
Not enough recent
Players
0
daily peak, Oct 29, 2026
Steam Deck
Unsupported
Last update on Steam
8 years ago
Sep 6, 2018
Minimum PC
GeForce GTX 660
4 GB RAM · 5 GB disk
Full requirements

Metacritic: 72/100 (critic reviews)

What is PLANET ALPHA?

PLANET ALPHA is a single-player, side-scrolling puzzle-platformer about surviving after becoming stranded on an alien planet. You cross varied terrain, solve puzzles, and evade pursuing enemies, using changes in the time of day to influence your surroundings.

For you if...

  • +you enjoy wordless stories told through the environment
  • +you like alternating stealth sections and fast-paced chases

Not for you if...

  • −you want complex puzzles and deep gameplay systems
  • −you prefer open exploration to a mostly linear path

What players say

76% of 663 reviews are positive

Players praise the alien scenery, art direction, and sound design. Common complaints include clunky movement, unclear puzzle solutions, and trial-and-error deaths caused by unexpected hazards.

Screenshots and trailer

PLANET ALPHA screenshot 1

PLANET ALPHA system requirements

Minimum: GeForce GTX 660, 4 GB RAM, 5 GB of disk space.

As published by the developer.

Can my PC run PLANET ALPHA?

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Minimum

OS
Windows 7 64-bit
Processor
Intel Core i5-2550K (3.4 GHz) / AMD FX-4350 (4.2 GHz)
Graphics
GeForce GTX 660 (2GB) / AMD Radeon HD 7850 (2 GB)
Memory
4 GB RAM
Storage
5 GB available space

Recommended

OS
Windows 10 64-bit
Processor
Intel Core i5-4570 (3.20 GHz) / AMD FX-9590 (4.70 GHz)
Graphics
GeForce GTX 960 (2GB) / Radeon R9 380X (4 GB)
Memory
8 GB RAM
Storage
5 GB available space

Does PLANET ALPHA have co-op or multiplayer?

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

Does PLANET ALPHA run on Steam Deck?

Unsupported No: Valve rates it Unsupported on Steam Deck.

  • Not supported on SteamOS

PC version details

DRM
None declared on Steam
Controller
Full controller support
Platforms
Windows
Achievements
16
Steam features
Cloud saves, Family Sharing, Trading cards
Languages
Text only: English, French, Italian, German, Spanish - Spain, Danish, Romanian, Russian, Swedish, Japanese, Korean, Simplified Chinese.

Does PLANET ALPHA 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

2 DLC available.

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