Listing all games similar to Digimon World 3 (USA)

Pokémon Diamond/Pearl »
[NDS] Pokemon Pearl (J)(WRG)[NDS] Pokemon Diamond (J)(WRG)[NDS] Pokemon Diamond (v05) (U)(Legacy)[NDS] Pokemon Pearl (v05) (U)(Legacy)[NDS] Pokemon Pearl (v06) (J)[NDS] Pokemon Pearl (v05) (J)
Monster Rancher EVO »
[PS2] Monster Rancher Evo (USA)
Pokémon Platinum »
[NDS] Pokemon Platinum (J)(XenoPhobia)
Pokémon Emerald »
[GBA] Pokemon Emerald (J)(Independent)[GBA] Pokemon Emerald (U)(TrashMan)
ZUBO »
[NDS] Zubo (E)(EXiMiUS)[NDS] Zubo (US)(M3)(1 Up)
Pokémon Mystery Dungeon: Blue/Red Rescue Team »
[GBA] Pokemon Mystery Dungeon - Red Rescue Team (U)(RDG)[GBA] Pokemon Mystery Dungeon - Red Rescue Team (E)(Rising Sun)[NDS] Pokemon Mystery Dungeon - Blue Rescue Team (U)(Legacy)[NDS] Pokemon Mystery Dungeon - Blue Rescue Team (E)(Supremacy)[NDS] pokemon mystery dungeon - blue rescue team (kiosk demo) (e)(independent)
Pokémon Ruby/Sapphire »
[GBA] Pokemon Ruby (J)(GBANow)[GBA] Pokemon Ruby (U)(Mugs)[GBA] Pokemon Ruby (E)(Independent)[GBA] Pokemon Ruby (E)(Independent)