About the game

Citadel is a multiplayer survival game with rogue-like elements inspired by “Cube” the movie. The game created by a little indie developers team. Become a prisoner of the Citadel - you will discover a hardcore gameplay full of pain Earn your freedom – each level is a randomly generated labyrinth filled with unique challenges, enemies and traps, and you only have a short period of time to find the exit Become stronger – collect Synergy, which acts both as a health and a valuable resource which is needed for activation of portals and unlocking new abilities Seek for allies – on each level you can meet other random players, who you can discover new places and overcome tough challenges with (the only way of communication here is the voice chat).

How to activate

Go to: http://store.steampowered.com/ and download STEAM client Click "Install Steam" (from the upper right corner) Install and start application, login with your Account name and Password (create one if you don't have). Please follow these instructions to activate a new retail purchase on Steam: Launch Steam and log into your Steam account. Click the Games Menu. Choose Activate a Product on Steam... Follow the onscreen instructions to complete the process. After successful code verification go to the "MY GAMES" tab and start downloading.

System requirements