Team Effort
Team Effort is an achievement that is unlocked upon completing all levels with four active players (earning the "Teamwork" award ) on ≥ Medium difficulty. The levels required to complete are the twelve from The Deeper Well to Glitterhelm Caverns.

Upon completion of this achievement, the crystal skin "Obelisk" is unlocked.

Note - On console, this achievement can be earned by using four controllers on one system, the other three players can simply be logged in as guests.

Related Achievements

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