Start the first stone age Level
Kill 10 enemies
Kill 1000 enemies
Kill 100 enemies
Die 10 times
Die 100 times
Collect 1000 coins
Die 1000 times
Collect 10 000 Coins
Survive level 10
Kill the boss in level 5
Beat level 15
Escape the T-Rex in level 20
Kill the final stone age boss
Kill the boss in level 25
Complete all stone age levels
Collect all stone age diamonds
Complete all stone age missions