Unlock Nerdy rat
Have 4 or more rare upgrades in a single run
Reach the 30th wave
Have 3 or more star allies
Have 25 or more ammo
Have 4 or more bonus shots
Have 100% or more extra projectile damage
Have 50% or more critical chance
Clear the 5th wave
Clear the 10th wave
Clear the 15th wave
Unlock Soldier rat
Clear the 20th wave
Clear the 25th wave
Unlock Doctor rat
Unlock M1C3 rat
Unlock Mr. Shock rat
Unlock one global upgrade of each category
Get any Gear upgrade
Have 6 or more full hearts
Spend 5,000 cheese coins
