Desert Abaddon is a non-commercial hack & slash game where the player controls a Hellion (a demon machine) and has to fight for his race's glory and power. Legions of other demons and also holy forces will have to be conquered before the Hellions can finally seize the throne. Players can choose out of various attributes and skills to create unique builds. Players can find loot and buy items to strengthen their character. Equipment is divided in weapons, armor and orbs.