Here is the full list of all 31 Magicka: Wizards of the Square Tablet achievements.
Multiplayer: Die at least twice as often as all your teammates combined.
Multiplayer: Deal at least 800 damage to a fellow wizard in one attack.
Explode so hard that your staff makes 3 full rotations before landing.
Multiplayer: Telefrag a fellow wizard.
Multiplayer: Have the green wizard never die or cast a single spell and still win the stage.
Multiplayer: Have a team of four wizards all die.
Multiplayer: Kill a fellow wizard.
Multiplayer: Have the yellow wizard die first in a stage's very first encounter.
Cast Supernova.
Get killed by your own staff.
Let a Seagal die from Oil.
Defeat Grampa the Gray.
Blow yourself up with a regular self-targeted spell.
Suffer at least 5000 damage in one blow.
Defeat Helsdottir.
Defeat the Dark Young.
Win a stage by blowing every single enemy to bits.
Unlock this achievement to unlock this achievement.
Defeat Disa.
Get blown to bits and have your staff get stuck in the ground pole-first.
Suffer at least 1000 damage in one blow.
Get decapitated.
Suffer at least 500 damage in one blow.
Defeat the Elk Dragon.
Imbue a personal barrier with three different elements.
Die from a stage hazard.
Win a stage without ever using the Life element.
Defeat the Big Friendly Crab.
Gib three enemies in one second.
Kill a Land Shark with a Thunder bolt.
Purchase a familiar.