Mercury Hg
21 Achievements
0-0h
PS3
Raretaskium
Discover all 5 of the Challenges in the Rare Earth Element content pack.
6.5%
How to unlock the Raretaskium achievement in Mercury Hg - Definitive Guide
You'll get this on the way to completing all the DLC levels. You don't have to finish the challenge levels, just unlock them.
The levels you need to complete are;
Gravitium2: 59, 96, 101
Curvyium: 60, 93, 66, 67
Clockworkium2: 95, 68, 102
Groupium2: 92, 98, 71
Conveyorium2: 63, 64, 100, 103
The levels you need to complete are;
Gravitium2: 59, 96, 101
Curvyium: 60, 93, 66, 67
Clockworkium2: 95, 68, 102
Groupium2: 92, 98, 71
Conveyorium2: 63, 64, 100, 103