Here is the full list of all 16 Hellsplit: Arena achievements.
complete both campaign modes, earn all trophies and cups
spend five hours in battle
spend 50 hours in battle
decapitate 666 zombie enemies
earn 1,000,000 gold
sever the limbs of 280 zombie enemies
drink 360 potions
eat 9,999 pieces of fruit
die 200 times
buy all equipment items
spend 90 minutes by the mirror
break 700 pieces of enemy armor
dismember 84 enemy corpses
defeat 2,500 enemies
smash the heads of 666 enemy skeletons
own the game for three years