Here is the full list of all 17 Super Snow Fight achievements.
Unlock all fighters in the Mine Arena.
Unlock all fighters in the Castle Arena.
Unlock all fighters in the Graveyard Arena.
Six in a row!!
Five in a row!
Four in a row!
Win a duel against a single AI opponent with a score of 10/0 on normal difficulty.
Unlock all arenas.
Win a fight in less than 30 seconds.
Three in a row!
Unlock all fighters in the Park Arena.
Win a duel against a single AI opponent with a score of 10/0 on hard difficulty.
Win a duel against a single AI opponent with a score of 10/0 on very hard difficulty.
Win a duel against a single AI opponent with a score of 10/0 on easy difficulty.
Two in a row!
Win a duel against a single AI opponent with a score of 10/0 on very easy difficulty.
Win a fight.