Arrived at the end of a Level without the KEY
Arrived at the end of a level without the ORE
Finished the FOREST world
Finished the DESERT world
Finished the AZTEC world
Finished the MEDIEVAL world
Stacked two STRUCTURE pieces
Used the CROSSING piece
Used the LEVER
Used the BUTTON
Used the STRAIGHT-CURVE piece
Used the HIT-AND-BACK piece
Triggered an AZTEC DOOR
Triggered a MEDIEVAL DOOR
Disabled an AZTEC TRAP
Disabled a MEDIEVAL TRAP
Left the Hamster trapped in an INFINITE LOOP
Catch all SKINS in the FOREST world
Catch all SKINS in the DESERT world
Catch all SKINS in the AZTEC world
Catch all SKINS in the Medieval world
Reached the end of a level taking the TASK object but didn't delivered
Reached an NPC but without the TASK object
Finished the game and got all the ACHIEVEMENTS
Played 16 consecutive levels without changing a SKIN
Completed all tasks in FOREST world
Completed all tasks in DESERT world
Completed all tasks in AZTEC world
Completed all tasks in MEDIEVAL world
Finished the game by taking all SKINS and doing all SECONDARY TASKS