Not sure when these will hit the EU PSN store, but the American update included a host of SNK goodies including the legendary Ikari Warriors (well, it was legendary in my local arcade). All the games are $2.99 with Guerrilla Wars free for PSN+ users:
Fight against UFOs, meteors, comets, and dock with the mothership before your energy runs out in SNK's first arcade game originally released in 1979. Ozma Wars stands out as the second released vertical shooting arcade game, but is also known as the first game with disparate levels!
SASUKE vs COMMANDER
Play as Sasuke, who must protect the Shogun from Ninja in this 1980 classic arcade "gallery shooter", one of the first games to feature bosses!
VANGUARD, famous for being one of the first scrolling shooters ever made, was originally released in 1981. Shoot your enemies in all four directions or get an energy pod and ram them in this classic arcade game!
Help Marvin defend his Maze from the terrible Robonoids in this cute and addictive arcade puzzle-action game, originally released in 1983.
As Captain Clain, attack enemies in the air and bomb ground targets on your way to the boss in this classic shooting title originally released in 1985.
Join Athena, Princess of the Kingdom of Victory as she opens the "Forbidden Door" and descends into a world of fantasy in this classic platform arcade game originally released in 1986.
As colonel turned mercenary Ralf, use your machine gun, grenades, and jump in tanks to defeat countless foes. Infiltrate the enemy base and complete your mission in this '80s run-and-gun mega-hit!
Enter the jungle and ruined cities of a tropical island to overthrow its tyrannical dictator, and liberate the nation held in his grip. Don't forget to rescue your captured comrades along the way! Hail the heroes of the Revolution!