About the game

RHEUM [pronounced: room]A mass of muscle and teeth lay dormant before you. As you inch your way closer, it comes alive. A sphincter crying for help, beckons you to descend. Your only option is down.Travel through a fleshly vessel, as an eyeball, collecting rheum [eyeball crusties] to grow stronger in your fight against the infection plaguing this.......body. Collect eye crusties, upgrade your pupils, and clear the screen of bullets with your cornea crushing eye blasts!FEATURES Two difficulty modes Unlock-able endless mode Endless mode features new upgrades and challenges Stack-able power ups 6 playable characters to unlock Secret hidden boss fights! Compete for the highscore with online leaderboards! A variety of enemies to combat Original soundtrack A plethora of bullets and eyeballs! Good ol' fashioned cheat codes! Full keyboard and controller support

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