Nidhogg

COMEBACK KID

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

MEMORIES

Trap your opponent on your sword for a long time

FLESH AND BLOOD

Beat the singleplayer game

PERFECT STRIDE

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

BLOODLUST

100 total kills in one match

PROMETHEUS

Run across your final screen in the castle with your sword cocked the whole time

GTD

Finish an 8 player tournament

SLOW PLAYED

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

VALKYRIE

Win 100 games through matchmaking

TRAPPED IN DONKEYSPACE

Play a match lasting longer than 20 minutes

NSA

Intelligence gathered

HOGGLIKE

Dominate every level in one singleplayer game