Modifier Unlock: Engineer
Not unlocked yetEscape any level without obtaining any weapons
Weapon Unlock: Wavegun
Not unlocked yetKill 5000 enemies in total
Weapon Unlock: Drill
Not unlocked yetKill 10000 enemies in total
Building Unlock: Rocket Turret
Not unlocked yetReach the final wave of Level 1: Mercury
Map Unlock: Level 2: Venus
Not unlocked yetSuccessfully escape Level 1: Mercury
Building Unlock: Long Range Supplier
Not unlocked yetReach the final wave of Level 2: Venus
Map Unlock: Level 3: Moon (Earth)
Not unlocked yetSuccessfully escape Level 2: Venus
Building Unlock: Beam Turret
Not unlocked yetReach the final wave of Level 3: Moon (Earth)
Map Unlock: Level 4: Mars
Not unlocked yetSuccessfully escape Level 3: Moon (Earth)
Modifier Unlock: Dash Boost
Not unlocked yetReach the final wave of Level 4: Mars
Map Unlock: Level 5: Europa (Jupiter)
Not unlocked yetSuccessfully escape Level 4: Mars
Modifier Unlock: Gunslinger
Not unlocked yetEscape any level without spawning more than 1 building
Building Unlock: Orbital Laser Turret
Not unlocked yetReach the final wave of Level 5: Europa (Jupiter)
Map Unlock: Level 6: Titan (Saturn)
Not unlocked yetSuccessfully escape Level 5: Europa (Jupiter)
Modifier Unlock: Metal Drain
Not unlocked yetReach the final wave of Level 6: Titan (Saturn)
Map Unlock: Level 7: Miranda (Uranus)
Not unlocked yetSuccessfully escape Level 6: Titan (Saturn)
Building Unlock: Explosive Beacon
Not unlocked yetReach the final wave of Level 7: Miranda (Uranus)
Map Unlock: Level 8: Triton (Neptune)
Not unlocked yetSuccessfully escape Level 7: Miranda (Uranus)
Modifier Unlock: Randomzier
Not unlocked yetReach the final wave of Level 8: Triton (Neptune)
Map Unlock: Level 9: Pluto
Not unlocked yetSuccessfully escape Level 8: Triton (Neptune)
EX Mode unlocked for all levels
Not unlocked yetSuccessfully escape Level 9: Pluto
Weapon Unlock: Black Hole Cannon
Not unlocked yetBeat all levels on EX Mode
Modifier Unlock: Survivor
Not unlocked yetEscape any level in under 9 minutes
Modifier Unlock: Difficulty Up
Not unlocked yetKill 500 enemies in total