The game is very broken, I don't know if I'll fix it, so have fun with the broken... but playable version. Arrow keys to select creature to spawn in. Space to summon selected creature. WASD, Q, and E for the Chosen One. Use the number keys to use powers (1). Yes, I did most of the voice acting.
Update Log: v2. Wings, Wheels, and Worms: Added Angel, Fae, Purple Worm, Warforged, Mark of Death. v1: Release.