User blog comment:PTD Fan/Who thinks there's coming a PTD 2?/@comment-24.86.182.199-20120215053903/@comment-4543994-20120215093636

PTD5 would be hard since there is only a few Overworld sprites (I.E legends). Unless there is the Ability to walk with Pokemon again (Perhaps in a R/S Remake, if there ever is one), PTD5 probably wont come out.