0.7 hrs on record
The Collider Badge
Neutron Obstacle
Level 2, 200 XP
Unlocked 9 Oct, 2015 @ 10:38am
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