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About costheta
《costheta》, The new timeline projected onto the world.

The dimensions meet in the New-Experimental rhythmic action game!

As a new researcher in Extraordinary Science & Technology Institute, observe the wide world ahead of you.
Video/Gameplay Trailer
Recent Updates - Version 2.20.0
  • ◈ costheta v2.2 Update!

    - New Music Pack: Boosting UP vol.1
    · Ready and Set - KOTDARI
    · 竹 - 立秋 feat.ちょこ
    · Back In The Days - Ardolf
    · Hyperlight。 - P4koo feat. ツユリカリン
    · Your Mind - Roy Mikelate

    - Improved login system.
Install On Your Mobile Device:
Google Play Store LinkApp Store Link
Install On Windows PC Or Mac:
BlueStacks LinkLDPlayer Link
How To Download & Play:
1. Download & Install AppKiwi
2. Download costheta APK
3. Launch from APK Library