Here is the full list of all 14 SNK 40th ANNIVERSARY COLLECTION achievements.
Beat Crystalis.
Beat Iron Tank.
Beat the Arcade version of Athena.
Beat the Arcade version of Ikari III.
Beat TNK III.
Beat the Arcade version of Victory Road.
Beat the Arcade version of Ikari Warriors.
Beat Psycho Soldier.
Beat the Arcade version of Alpha Mission.
Beat Prehistoric Isle.
Beat the Arcade version of P.O.W.
Beat Street Smart.
Finish the second level of Vanguard.
Beat the Arcade version of Guerrilla War.