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