Microbes and Machines achievements

Unlocks a new skin

Unlock all upgrades

Unlocks a new improvement

Unlock a new weapon

Finish the game for the first time

Reach level 80

Kill 30 enemies on the fourth level

Kill 30 enemies on the second level

Kill 30 enemies on the first level

Carry 10 keys to the next level

Kill an enemy with only a support weapon

Collect all marbles in any level