Nidhogg 2

Get eaten by the nidhogg after nearly allowing your opponent to do the same

Beat the singleplayer game

Win the faceoff and never lose the arrow in a singleplayer match

Dominate every level in one singleplayer game

Let the timer run out in your opponent's last screen and win in sudden death

Beat the singleplayer in under 20 minutes

Play a match with old school settings

Finish an 8 player tournament

Win 100 ranked games through matchmaking