Lumberkill

Blast zombies, earn upgrades, and do some terraforming in this mix between a side-scroller shooter and rogue-like. Aquire different weapons and LOADS of upgrades to make your playthrough unique. Try to get the highest possible score!

If this doesn't convince you this amazing unbiased review definitely should:

"This game made me feel like a lumberjack wielding guns, blasting zombies, drinking soda, and being a real badass!" - 10/10 IGN probably.