Complete the following tasks to unlock the corresponding achievement. To view your achievements and stats in Steam, select "Community", then "My profile", then "View all my games", then the game and view stats.

Achievement	How to unlock
Brain Surgery	100 Brains sucked.
d6 Admires You	All Gold medals.
d6 Commends You	All Bronze medals.
d6 Respects You	All Silver medals.
Dynami-Te-He	1000 Zombies blown up.
Extinction	100,000 Zombies killed.
Friend of Bruce	All levels unlocked.
Friend of d6	All Developer medals.
Graduation	Complete zombie academy.
Hot To Trot	Last 30 seconds with 50+ zombies on fire.
Murder On The Dance Floor	1000 Zombies sent dancing.
Paint The Town Red	Fill the screen with the maximum amount of blood on any level.
Red Shirt	Kill the away team Zombie.
Texas Style	100 chainsaw combos.
Tourist	All Arcade levels unlocked.