Level 01 - 1 skull
Not unlocked yetFinish level 01 with at least 1 skull
Level 01 - 2 skulls
Not unlocked yetFinish level 02 with at least 1 skulls
Level 01 - 3 skulls
Not unlocked yetFinish level 01 with at least 3 skulls
Level 02 - 1 skull
Not unlocked yetFinish level 02 with at least 1 skull
Level 02 - 2 skulls
Not unlocked yetFinish level 02 with at least 2 skulls
Level 02 - 3 skulls
Not unlocked yetFinish level 02 with at least 3 skulls
Level 03 - 1 skull
Not unlocked yetFinish level 03 with at least 1 skull
Level 03 - 2 skull
Not unlocked yetFinish level 03 with at least 2 skulls
Level 03 - 3 skulls
Not unlocked yetFinish level 03 with at least 3 skulls
Level 04 - 1 skull
Not unlocked yetFinish level 04 with at least 1 skull
Level 04 - 2 skulls
Not unlocked yetFinish level 04 with at least 2 skulls
Level 04 - 3 skulls
Not unlocked yetFinish level 04 with at least 3 skulls
Level 05 - 1 skull
Not unlocked yetFinish level 05 with at least 1 skull
Level 05 - 2 skulls
Not unlocked yetFinish level 05 with at least 2 skulls
Level 05 - 3 skulls
Not unlocked yetFinish level 05 with at least 3 skulls
Level 06 - 1 skull
Not unlocked yetFinish level 06 with at least 1 skull
Level 06 - 2 skulls
Not unlocked yetFinish level 06 with at least 2 skulls
Level 06 - 3 skulls
Not unlocked yetFinish level 06 with at least 3 skulls
Level 07 - 1 skull
Not unlocked yetFinish level 07 with at least 1 skull
Level 07 - 2 skulls
Not unlocked yetFinish level 07 with at least 2 skulls
Level 07 - 3 skulls
Not unlocked yetFinish level 07 with at least 3 skulls
Level 08 - 1 skull
Not unlocked yetFinish level 08 with at least 1 skull
Level 08 - 2 skulls
Not unlocked yetFinish level 08 with at least 2 skulls
Level 08 - 3 skulls
Not unlocked yetFinish level 08 with at least 3 skulls