Looks like Sony is doubling down on its efforts to bring classic PlayStation 2 titles to the PlayStation 4, as leaked ESRB filings indicate that six more PS2 games are poised to arrive soon.

Though the titles in question have since been removed from the ESRB website, GamesRadar managed to grab a peek at the games coming down the pipe. Ape Escape 3, Siren, Primal, Okage: Shadow King and Wild Arms 3 look to be arriving on the PS4 in the near future. The games will be joining Remedy's bullet-time shooter Max Payne, yet another classic PS2-on-PS4 game revealed by the ESRB.

Sony recently added the PS2 launch title FantaVision as well, bringing the total number of PS2 games available on PS4 up to 10. That number isn't including the games released as part of the Star Wars Battlefront PS4 bundle, which included PS2 Star Wars games like Bounty Hunter, Racer's Revenge and Starfighter. Those titles have yet to be made individually available.

PlayStation boss Shuhei Yoshida says Sony will be working hard to release more PS2 games on a regular basis, with the company even asking fans for what games they would like to see on PS4 next. So far, each PS2 game ranges from $10 to $15. For some titles, it's a tad expensive, but for others that are more popular or difficult to find, $15 isn't bad for the ability to play a smoother-running, Trophy-enabled version of a classic game. Expect official announcements about upcoming PS2 games soon.