The Collider Badge
Protonic Obstacle
Level 4, 400 XP
Unlocked 2 Jan, 2020 @ 8:48am
(3)
Electron
1 of 5, Series 1
(4)
Neutron
2 of 5, Series 1
Proton
3 of 5, Series 1
(2)
Quark
4 of 5, Series 1
(1)
Boson
5 of 5, Series 1