Watch a replay to convince yourself, that the fastest players are, in fact, NOT cheating.
Get 6666 gold.
Unlock the Arena
Melt your candy (properly) 50 times.
Respawn 10 times on the same checkpoint.
Melt your candy in challenge mode.
Melt from the Toothfairy's love & care.
Spend at least 1 hour actually playing the levels... and fall in love with squatting and jumping.
Squeeze between the last two saws on the Jump Precision.
Do the Limbo on the Snake.
Find the 2 secret places. Follow the gold.
Start the Enders' game.
Get surprised on The Pitfall.
Finish the Death* level.
Finish ALL the quests on ALL the levels.