The Collider Badge
Atomic Obstacle
Level 1, 100 XP
Unlocked 9 Dec, 2016 @ 2:12pm
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