Unlock the following medals at the "Gallery" menu by performing the corresponding tasks:
MEDAL - HOW TO UNLOCK All You Need Is Love - Don't buy any items when starting Abyss. Don't Get Cocky, Kid! - Earn one victory. Fatality - Land more than 30 Fatal Counters. Ice-Ten - Using Jin, freeze your opponent more than 10 times in a match. It'll Only Hurt for a Minute - Crush your opponent's guard. Level One...! - Watch 'Previously On' and 'Opening' in Story Mode. Other Fish In The Sea - Use over 9 characters. We Have to Go Deeper - Defeat the boss on Depth 300 in Abyss. Welcome to the Abyss Hole - Defeat the boss on Depth 100 in Abyss. Who's Got Next? - Complete Arcade Mode. I Get Around - Use all characters. Wait, You Mean There's More? - Earn a victory in Score Attack mode.