KILL YOUR GOD. BECOME WORTHY. Horripilant is a chilling idle incremental dungeon crawl through the horrors of a forgotten underworld. Horripilant is a chilling incremental dungeon crawl through the horrors of a forgotten underworld. Combining idler, puzzle and autobattler elements, you'll fight, mine, and think your way through the depths of a forsaken dungeon. With each step you'll grow stronger, but beware; every boon has its burden.