The Collider Badge
Atomic Obstacle
Level 1, 100 XP
Unlocked 11 Jan, 2016 @ 3:25am
Electron
1 of 5, Series 1
Neutron
2 of 5, Series 1
Proton
3 of 5, Series 1
Quark
4 of 5, Series 1
(2)
Boson
5 of 5, Series 1