© 2026

Jump down the esophagus of a body plagued by viruses and big bad bosses in this reverse vertical scrolling shoot'em up! Collect eye crusties, upgrade your pupils, and clear the screen of bullets with your cornea crushing eye blasts!
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!
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
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