Open all 4 chests on Walter Island.

Yoshino joins the team.

Open all 7 chests in the Sneyato Forest.

Thomas joins the team and them defeat Myotismon.

Open all 10 chests in the Rage Cavern.

Defeat Bephemon in the Rage Cavern B2.

Open all 6 chests in the Mirage Museum.

Defeat Barbamon in the Mirage Museum.

Defeat Yushima's Kamemon in the Rage Cavern B2.

Answer both Pandamon questions correctly to receive a tip for solving the puzzle on Livius Island.

Open all 7 chests and receive an item from Yushima on Livius Island.

Defeat Lilithmon on Livius Island.

Defeat Kosaburo's Biyomon on Livius Island.

Open all 12 chests in the Digital Dungeon.

Defeat Beelzemon in the Digital Dungeon B1.

Open all 16 chests in the Sea Precipice Jerapilus.

Defeat Leviamon in the Sea Precipice Jerapilus.

Defeat Demi Devimons and Devimons in the Sea Precipice Jerapilus.

Open all 11 chests in the Doomsday Forest Ruin.

Defeat Creepymon in the Doomsday Forest Ruin.

Open all 13 chests in the DATS Headquarters Entrance and Real World.

Defeat Creepymon in the Real World.

Open all 19 chests in the Ice Labyrinth.

Defeat Lucemon in the Ice Labyrinth.

Take the Fishing String.

Answer both Pandamon questions correctly about Growlmon and kilometers to upgrade the store and receive a Knowledge DE.

Answer Pandamon 10 questions correctly to upgrade the store.

Defeat Yushima's MarineAngemon in the Doomsday Forest Ruin.

Collect 20 DigiEggs and deliver them to Salamon to gain a KHP Charge H and a Recover Key.

Collect 40 DigiEggs and deliver them to Salamon to gain a Holy Ring.

Collect 70 DigiEggs and deliver them to Salamon to gain a Light DE.

Collect 100 DigiEggs and deliver them to Salamon to gain a Resist Steal.

Collect 150 DigiEggs and deliver them to Salamon to gain an Acquire Item.

Collect 200 DigiEggs and deliver them to Salamon to gain a Critical Up.

Collect 300 DigiEggs and deliver them to Salamon to gain a STR Guard and an INT Guard.

Collect 400 DigiEggs and deliver them to Salamon to gain a X Antibody.

Collect 700 DigiEggs and deliver them to Salamon to gain a Half Damage.

Collect 1000 DigiEggs and deliver them to Salamon to gain a Perfect Guard.

Open the hidden chest in the Doomsday Forest Ruin.

Open all 25 chests in the Dark Area.

Defeat Ghoulmon Black in the Dark Area 1F.

Defeat Moon Millenniummon in the Dark Area 3F.

Defeat ChaosGallantmon and BlackWarGreymon in the Dark Area 4F.

Defeat Lucemon in the Dark Area.

Defeat Demon Lord in the Dark Area.

Deliver the Swiss Cheese to Chuumon.

Defeat Yushima's Gawappamon in the Sea Precipice Jerapilus.

Lilithmon needs to talk with Yuma on Livius Island.

Defeat Yushima's Shaujinmon on Walter Island.

Defeat PawnChessmon White and Black in the Mirage Museum.

Defeat BantyoLeomon in the Doomsday Forest Ruin.

Defeat Darkdramon on Livius Island.

Defeat Omnimon in the Dark Area 4F.

Defeat 2nd Lucemon in the Ice Labyrinth.

Defeat Yushima's JumboGamemon in the Dark Area 4F.

Open all 9 chests in the Ice Labyrinth Deep Area.

Defeat Minervamon in the Ice Labyrinth Deep Area.

Defeat Neptunemon in the Ice Labyrinth Deep Area.

Defeat JumboGamemon and Sleipmon in the Ice Labyrinth Deep Area.

Defeat Mercurimon in the Ice Labyrinth Deep Area.

Defeat WarGreymonX in the Dark Area 1F.

Defeat Chaosmon in the Dark Area 2F.

Defeat 2nd Barbamon in the Mirage Museum.

Defeat 2nd Leviamon in the Sea Precipice Jerapilus 4F.

Defeat Yushima's 2nd Gawappamon in the Sea Precipice Jerapilus.

Defeat 2nd Belphemon in the Rage Cavern B2.

Defeat 2nd Beelzemon in the Digital Dungeon B3.

Talk with Nitta on Walter Island.

Have all 30 Agumon's digivolutions.

Have all 26 Lalamon's digivolutions.

Have all 29 Gaomon's digivolutions.

Have all 24 Falcomon's digivolutions.

Have all 26 Biyomon's digivolutions.

Have all 21 Renamon's digivolutions.

Register all 145 Digimons in the encyclopedia.