Complete the first level.
Collect a total of 20 gold.
Collect a total of 100 gold.
Collect a total of 500 gold.
Complete 42 levels.
Complete 100 levels.
Collect the Pearl treasure.
Collect the Squid Statue treasure.
Collect the Crown treasure.
Collect the Staff treasure.
Collect the Cup treasure.
Complete all levels.
Trigger a trap.
Lure a skeleton into the water.
Destroy a skeleton or wraith using a trap.
Use spring tiles 100 times.
Complete all 4 chessboard levels. (Halls of Snow: level 8, 15, 21 and Frosted Halls: level 17)
Place a checkpoint 20 times.
Destroy 30 skeletons and wraiths.
Complete a level with the help of another explorer.
Switch between explorers 50 times.
Raise one of the explorers using a platform.
Raise a skeleton or wraith using a platform.
Destroy 2000 tiles.
Destroy 5000 tiles.
Destroy 10000 tiles.
Hit 10 tentacles with a trap.