PCGame

YANKAI'S TRIANGLE

An abstract puzzle game about rotating triangles to match colors

Kenny Sun · Released Nov 2, 2016

CasualIndie

Reviews
Mostly Positive
78% of 74
Recent reviews
Not enough recent
Players
0
daily peak, Oct 30, 2026
Steam Deck
Untested
Last update on Steam
10 years ago
Oct 24, 2016
Minimum PC
256MB
0.5 GB RAM · 0.1 GB disk
Full requirements

What is YANKAI'S TRIANGLE?

In this single-player 2D puzzle game, you work through abstract levels by clicking colored triangles to rotate them.

For you if...

  • +you enjoy puzzles that gradually add complexity
  • +you like an eerie atmosphere alongside abstract puzzles

Not for you if...

  • −you want varied activities beyond one repeating puzzle mechanic

What players say

78% of 74 reviews are positive

Players praise the straightforward triangle-matching mechanics and the supply of puzzles. Their main complaint is the film grain, which they say cannot be disabled and can be distracting or headache-inducing. Some also find the sound effects distracting.

Screenshots and trailer

YANKAI'S TRIANGLE screenshot 1

YANKAI'S TRIANGLE system requirements

Minimum: 256MB, 0.5 GB RAM, 0.1 GB of disk space.

As published by the developer.

Can my PC run YANKAI'S TRIANGLE?

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Minimum

OS
Windows XP
Processor
1 GHz
Graphics
256MB
Memory
512 MB RAM
Storage
100 MB available space
DirectX
Version 9.0c

Recommended

OS
Windows XP
Processor
1.5 GHz
Graphics
512MB
Memory
1024 MB RAM
Storage
100 MB available space
DirectX
Version 9.0c

Does YANKAI'S TRIANGLE have co-op or multiplayer?

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

Does YANKAI'S TRIANGLE run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM
None declared on Steam
Controller
Keyboard and mouse
Platforms
Windows, macOS, Linux
Achievements
7
Steam features
Cloud saves, Family Sharing, Trading cards
Languages
Text only: English, French, Italian, German, Spanish - Spain, Arabic, Bulgarian, Czech, Danish, Dutch, Finnish, Greek, Hungarian, Japanese, Korean, Norwegian, Polish, Portuguese - Portugal, Portuguese - Brazil, Romanian, Russian, Simplified Chinese, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian.

Does YANKAI'S TRIANGLE 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

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