The Collider Badge
Atomic Obstacle
Level 1, 100 XP
Unlocked 4 Jan, 2017 @ 10:40am
Electron
1 of 5, Series 1
Neutron
2 of 5, Series 1
Proton
3 of 5, Series 1
Quark
4 of 5, Series 1
Boson
5 of 5, Series 1