Given how much the gaming industry changes and how...it treats the previous generations with nary a glance beyond possible things to bring back and exploit with either microtransactions (hello Crash Team Racing Nitro-Fueled) or otherwise, this is more collecting games and holding on to them so they're not forgotten.

PS2 Games: 157.
PSP Games: 94.
PS3 Games: 172
PS Vita Games: 49.
Nintendo DS Games: 132
3DS Games: 75