Successfully completed the Wave game mode on any planet.
Successfully completed the Rush game mode on any planet.
Launched an Overcharged Energy Link and killed at least 5 aliens.
Humoungus Laser Beam
Has linked 100 or more Defense Towers.
Accumulated 1000 or more kills with a single Defense Tower.
Reached level 100 on any planet.
Time Is Money
Had 20 or more active harvesters before level 11.
Killed 20 or more aliens with a single overcharged Energy Link.
Reached level 50 on any planet.
Killed an alien in mid-air.
Defeated a wave without losing a single building.
Expanded the map considerably, on any planet.