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