Save 50 lemmings and enter the bonus stage

Finish level 1 with no lemmings saved

Clear level 1

Clear level 2

Clear level 3

Clear level 4

Clear level 5

Clear level 6 and defeat the first boss

Clear level 7

Clear level 8

Clear level 9

Clear level 10

Clear level 11

Clear level 12

Clear level 13 and defeat the second boss

Clear level 14

Clear level 15

Clear level 16

Clear level 17

Clear level 18 and defeat the third boss

Clear level 19

Clear level 20

Beat the final boss and restore peace to Lemmingland

Collect 100 coins and earn an extra life

Finish world 1 in one sitting with no continues

Finish world 2 in one sitting with no continues

Finish world 3 in one sitting with no continues

Finish the final world in one sitting with no continues