Your first kill

Win a mission by killing all enemies

Win a mission with profit

Use only the freebies to win a mission

Your first Maximum upgrade for a tower

Upgrade to Maximum all Machine Gun towers and secondary weapons

Upgrade to Maximum all Flamethrower towers and secondary weapons

Upgrade to Maximum all Freezer towers and secondary weapons

Upgrade to Maximum all Electric towers and secondary weapons

Win the same mission 20 times

Win the same mission 50 times

Win 100 missions

Win 1000 missions

Win every mission of the campaign with full homebase health

Win a mission with last enemy at less than 3m from homebase and the enemy damage would have been fatal

Win every mission once without using the Bomb Ability

Win every mission once without using the Slow Motion Ability

Reach 500,000 in game cash

Win the 20th mission

Win every mission using the Machine gun towers only

Use Slow Motion Ability 100 times

Use the Bomb Ability 1000 times

Kill 1000 enemies using the Bomb Ability

Build 1000 towers

Kill 10,000 enemies

Sell or Replace 100 towers that were destroyed at least once

Replace 20 destroyed towers during the mission

Early call last wave 50 times

Win a mission using the Electric towers only

Kill 1000 enemies with electric weapons

Early call all waves in a row on every map

Win Mission #7 using the Flamethrower towers only

Kill 100 Giants

Kill 10 times the Giant with the same tower that the Giant has disabled

Manually assign and kill one target at a time for 30 times in the same mission

Manually assign and kill one target at a time for 500 times

Kill 1000 support units: Shield Generators and Healers

Kill 50 Heroes

Kill 20 Martyrs at safe distance in such a way that they do not heal any other enemy

Kill 100 Special Ops

Kill 100 enemies with the Grenade Launcher

Kill 100 enemies with the Rocket Launcher

Kill 100 enemies with the Guided Missiles

Kill 50 enemies with E. I. Grenades

Kill 100 enemies with the Fire Jet

Kill 50 enemies with the Fire Rain

Slowdown to death 50 enemies with Nitrogen Grenades

Slowdown to death 50 enemies with the Arctic Lens

Slowdown to death 100 enemies with the Guided Blizzard

Kill 100 enemies with the Globular Lightning

Kill 100 enemies with the Electron Nest

Kill 100 enemies with the Horizon Discharge