Octahedron (Collector's Edition) (RoW)
Region — Activates worldwide EXCEPT in countries that have their own dedicated regional edition.
Can be activated in United States
WindowsScreenshots & trailer
Buy Octahedron key
Surf through a pulsating, underground world on platforms pulled from thin air in this challenging psychedelic action platformer that has you defying gravity to a pumping beat.
How to activate Octahedron on Steam
- 01
Buy & receive your code
Complete checkout — your code lands in your inbox in ~30 seconds, and is always available under Orders in your Gameplug account.
- 02
Open Steam
In the desktop client: top-left menu "Games" → "Activate a Product on Steam…" (or use the web link below).
- 03
Enter your key
Paste the key (format XXXXX-XXXXX-XXXXX) and accept the Steam Subscriber Agreement.
- 04
Install & play
The game joins your library permanently — install it on any machine you sign in to.
Code not working? Contact support — confirmed-invalid codes are replaced or refunded.
