Core Guardian
Get 100 perfect rounds.
Boom Baby
Kill 2 enemies with a single Bomb.
Skill Master
Beat a wave with only skills and blocks.
Tower Master
Complete a level without using any skills.
Electrifying
Hit 10 enemies with Thunderbolt.
Put It Down
Kill a Walker with an Anti Air Tower.
Line Em' Up
Kill 10 enemies in a single Penentrator shot.
I Hate Maize
Have no blocks at the end of a level.
One Small Step
Complete one level.
Disciple
Clear the Training Area.
Ruin Ranger
Clear Brightholme Industries.
Environmental Expert
Clear the Facility Compound
Aerial Ace
Clear the Hydro Islands.
He Wasn't So Tough
Kill a Huge Walker.
Now We're Talkin'
Unlock all tower and skill slots.
Look Mom I Did It!
Kill a Big Walker.
Bring It On
Beat a level on Hard.
Done and Done
Beat all levels on Normal.
Alpha as Fudge
Kill the Patriarch.
It's Fast, but I'm Faster
Kill the Charger and all its clones.
I Hold Everything!
Unlock all towers and skills.
Hero of Elysion
Beat all levels on Hard.
Golden Idol
Kill the golden Walker.
Seriously?
Get all stars in all levels on Hard difficulty.
Liberator
Kill 10.000 Walkers.
Monsterkill
Kill 10 enemies with a single shot
Exalted Elysion
Clear Elysion