Just Arms

Physics platformer where you climb using only your arms

Icehelm · Released Apr 19, 2020

Reviews: Mostly Positive; 73% of 62
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 5 years ago; Aug 17, 2021
Minimum PC: GeForce GTX 660; 3 GB RAM · 0.5 GB disk; Full requirements

What is Just Arms?

In this free-to-play physics platformer, a legless character climbs toward a witch who can restore their limbs. You spin your arms to build force, then punch to propel yourself through forest, winter, and town areas. You can play alone or race to the top online with up to 60 players.

For you if...

+you enjoy difficult precision platforming with costly mistakes
+you want to compete against others in climbing races

Not for you if...

−you dislike losing substantial progress after a single mistake
−you prefer conventional running and jumping controls

What players say

73% of 62 reviews are positive

Players praise the challenge of mastering the arm-based movement. Recurring complaints concern inconsistent physics and collision bugs, including falling through platforms and being flung across the map.

Screenshots and trailer

Just Arms system requirements

Minimum: GeForce GTX 660, 3 GB RAM, 0.5 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 7/8/10
Processor: Intel Core i3-2100 | AMD FX-6300
Graphics: NVIDIA GeForce GTX 660 (2 GB) | AMD Radeon HD 7850 (2 GB)
Memory: 3 GB RAM
Storage: 500 MB available space
DirectX: Version 9.0

Does Just Arms have co-op or multiplayer?

Yes: PvP online. It also has a single-player mode.

Does Just Arms run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows
Achievements: 14
Steam features: Family Sharing
Languages: Text only: English, Simplified Chinese, Japanese, Spanish - Spain, Russian.

Does Just Arms 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 28, 2026. How to filter AI games on Steam