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