Complete level 15
Complete level 1
Retire a Proton Hunter
Revive a Proton Hunter
Equip your first Legendary Weapon!
Equip your first Epic Weapon!
Have 10 Proton Hunters in the Hall of Fame
Collect 50 quarks in one level!
Beat a level after 10 using only common weapons
Reach level 15 without getting hit
Run into 2,000 Protons while invincible
Have 2 Legendaries in your Loadout and 2 Legendaries in your Pack
Complete a level using 2 Bounce weapons
Complete a level using 2 Linked weapons
Complete a level using 2 weapons having the Pickup Radius modifier
Complete a level using 2 weapons having the Size modifier and 2 weapons having the Acceleration modifier
Complete a level using a Skewed Legendary weapon!
Complete a Tank Mode level using 2 weapons having the Shield modifier
Defeat 1,000 Protons!
Defeat 10,000 Protons!
Defeat 250,000 Protons!
Defeat 100,000 Protons!
Purchase 100 Weapons
Pick up 10 Weapons!
Pick up 100 Weapons!
Pick up 50 Weapons!
Pick up 500 Weapons!
Pick up 1,000 Weapons!
Pick up 100 Quarks!
Pick up 50 Quarks!
Pick up 500 Quarks!
Pick up 1,000 Quarks!
Unlock the Photon class!
Pick up 2,000 Quarks!
Unlock the Boson class!
Unlock the Antineutron class!
Unlock the Muon class!
Unlock the Neutrino class!
Unlock the Hadron class!
Unlock the Positron class!
Unlock the Tetraquark class!
Unlock the Gluon class!
Complete the game with the Neutron class!
Complete the game with the Photon class!
Complete the game with the Antineutron class!
Complete the game with the Boson class!
Complete the game with the Muon class!
Complete the game with the Neutrino class!
Complete the game with the Positron class!
Complete the game with the Hadron class!
Complete the game with the Gluon class!
Complete the game with the Tetraquark class!
Obtain 20 Achievements
Obtain 10 Achievements
Obtain 30 Achievements
Obtain 40 Achievements
Complete the game on Hard difficulty!
Obtain 50 Achievements
Complete level 50
Beat the game with each of the 10 classes!