
Region — Works worldwide — no region restriction.
"Portals... found buried on Earth. Who made them? We know not. Now we humble humans use them to travel to the stars."Introduction We have a new mission for you. Planet: Gliese 581 g. Tests indicate relative safety. Space suit will be required. Gravity 0.15g. You will find oxygen bubbles in the atmosphere.
Beware of the fauna, stay alive and find a portal to come back for fame and glory!Modifying the game You can create new levels for the game or modify the existing ones and share with your friends. See the file MODIFY.html included with the game.
Complete checkout — your code lands in your inbox in ~30 seconds, and is always available under Orders in your Gameplug account.
In the desktop client: top-left menu "Games" → "Activate a Product on Steam…" (or use the web link below).
Paste the key (format XXXXX-XXXXX-XXXXX) and accept the Steam Subscriber Agreement.
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.