0.9 hrs on record
The Collider Badge
Atomic Obstacle
Level 1, 100 XP
Unlocked 3 May, 2015 @ 6:45am
(1)
Electron
1 of 5, Series 1
Neutron
2 of 5, Series 1
Proton
3 of 5, Series 1
(2)
Quark
4 of 5, Series 1
Boson
5 of 5, Series 1