Monmon memiliki digivolution menjadi Hookmon (Champion level), Armormon (Ultimate level), Cannondramon (Mega level), maing-masing pada saat Monmon mencapai level 5, 20, dan 40. Berikut ini daftar digivolution Monmon lainnya pada game Digimon World 3 NTSC dan Digimon World 2003 PAL.
Champion level:
- Angemon: Armormon level 40, Wind 120
- Devimon: SkullGreymon level 20, Spirit 300
- Dinohumon: MetalGreymon level 20, Strength 250
- ExVeemon: Hookmon level 20
- Greymon: Cannondramon level 10
- Grizzmon: Growlmon level 20, Defense 460
- Growlmon: Kyukimon level 20, Speed 320
- Hookmon: Monmon level 5
- Kabuterimon: Stingmon level 50
- Kyubimon: Angewomon level 10, Spirit 200
- Stingmon: MetalGreymon level 30, Lightning 200
Ultimate level:
- Angewomon: MagnaAngemon level 30, Water 110
- Armormon: Monmon level 20
- Digitamamon: Armor level 30, Strength 160
- GrapLeomon: Grizzmon level 50
- Kyukimon: Dinohumon level 50
- MagnaAngemon: Angemon level 50
- MetalGreymon: Greymon level 40
- MetalMamemon: Armormon level 20, Machine 180
- Myotismon: Devimon level 50
- Paildramon: ExVeemon dan Stingmon level 5
- SkullGreymon: Greymon level 50, Dark 300
- Taomon: Kyubimon level 40
- WarGrowlmon: Growlmon level 50
Mega level:
- Beelzemon: MaloMyotismon dan Gallantmon level 40
- BlackWarGreymon: SkullGreymon level 99
- Cannondramon: Monmon level 40
- Diaboromon: GranKuwagamon dan BlackWarGreymon level 99
- Gallantmon: WarGrowlmon level 99
- GranKuwagamon: Imperialdramon dan Kabuterimon level 40
- GuardiAngemon: Kyukimon level 99, Gallantmon level 40
- Imperialdramon: Paildramon level 50
- Imperialdramon FM: Imperialdramon level 99
- Imperialdramon PM: Imperialdramon FM dan Omnimon level 40
- MaloMyotismon: Myotismon level 99
- Marsmon: GrapLeomon level 99
- MegaGargomon: MetalGarurumon level 99
- MetalGarurumon: MetalMamemon level 40, Machine 240
- Omnimon: Wargreymon dan MetalGarurumon level 40
- Pheonixmon: Rosemon level 99
- Rosemon: Angewomon level 40
- Sakuyamon: Taomon level 99
- Seraphimon: MagnaAngemon level 99
- WarGreymon: MetalGreymon level 99