>>15834473custom map tiles (and models because of the DS games using pseudo 3d)
npc events
placing trainers on routes
figuring out what pokemon should be encountered on what route
level scaling (which is still fucked in HGSS, so if GF can't figure shit out between two regions, how are some fans going to do it between 4?)
event scripting
>>15834537what the hell are they going to reuse when they have to port hoenn?
is it even possible for them to port resources from DPPT to HGSS or viceversa?
