Deep into an abandoned temple of Egypt lies a cursed artifact, an ancient device capable of the unthinkable; Could this be the key to entering the mind of the god of destruction: Mental?

This may be your only chance to delve deep into the twisted world of its mind, where [Sam]'s quest will lead him against reckless hordes of monsters product of Mental's wicked imagination. Blast your way through the most hideous corners of its mind, and prepare for a brain-melting showdown!

- Fight against the wicked imaginations inside the mind of Mental, destructive god and Serious Sam's arch-enemy, in an attempt to stop him once and for all.
- Rich with content and replayability: procedurally generated dungeons, characters with unique abilities, randomized pools of powerful upgrades, tons of fun Serious Weapons.
- Mindmap: discover hidden ideas inside of Mental's mind - what enemies, weapons, and items is he imagining to use in the real world? Acquire those ideas, and use them by yourself. Can you discover all of them?
- Play together in local co-op mode. Face stronger bosses, compete for (or share!) XP and revive each other with ankh pickups!
- Tight mechanics & controls. Gamepad friendly. Precise visual collision similar to 2D games.