Press J to toggle invulnerability, K to toggle infinite ammo, L to toggle infinite mana, U to toggle more gore, T to add gold, B to level up, N to level up the weapon.
Fight hordes of enemies. Collect Inventium and loot. Craft crazy weapons, impractical armor and improbable gadgets. Level up your character and pick from a wide selection of perks. Level up your weapons and watch them evolve new stronger and stranger features.
Complete challenges and achievements to unlock secret weapons and relics.
Save the world from an ancient evil.
So you know, the usual stuff.
[A and D] Move, [W] Jump, [MOUSE] Aim and Shoot, [SHIFT] Open weapon backpack
[TAB] Open relic backpack,  to  Quick-switch weapon and gadgets, [F] Use gadget,
[Q] Equip last weapon, [E] Equip last gadget, [P] Open overlay (settings)