Oniken achievements

Kill 50 enemies.

Kill your first enemy.

Clear Mission 2 in under 3:00

Find the secret in Mission 5

Clear Mission 1 in under 2:30

Rescue all prisoners in Special Mission 7

Clear Mission 6 without dying

Kill 500 enemies.

Clear Mission 6

Kill Hackan on Mission 5 with only your sword

Clear Mission 5

Clear Mission 3 in under 2:30