Kill 10 green slimes

Kill 20 green slimes

Kill 30 green slimes

Have a total of 50 crystals collected at the beginning of a level

Have a total of 100 crystals collected at the beginning of a level

Have a total of 200 crystals collected at the beginning of a level

Unfortunately die to spikes

Collect a bonus quiver

Kill 1 blue slime

Kill 5 blue slimes

Kill 10 blue slimes