- D/Generation: The Original (Switch eShop)
- DAEMON X MACHINA (Switch)
- Daikon Set (Wii U eShop)
- Dairojo! Samurai Defenders (DSiWare)
- Damascus Gear Operation Tokyo (Switch eShop)
- Damnview: Built from Nothing (Switch eShop)
- Dan McFox: Head Hunter (3DS eShop)
- Dance Dance Revolution: Hottest Party (Wii)
- Dance Dance Revolution: Hottest Party 2 (Wii)
- Dance Dance Revolution: Mario Mix (GCN)
- Dance of the Damned (Wii U eShop)
- Dancing Academy (DSiWare)
- Dandara (Switch eShop)
- Danger Mouse: The Danger Games (Switch eShop)
- Dangerous Road (3DS eShop)
- Danmaku Unlimited 3 (Switch eShop)
- Dare Up Adrenaline (Wii U eShop)
- Darius Cozmic Collection (Switch)
- Darius Twin (SNES)
- Dark Devotion (Switch eShop)
- Dark Half (SNES)
- Dark Souls: Remastered (Switch)
- Dark Void Zero (DSiWare)
- Dark Witch Music Episode: Rudymical (Switch eShop)
- Darkest Dungeon (Switch eShop)
- Darksiders II (Wii U)
- Darksiders: Warmastered Edition (Wii U)
- Dart Rage (WiiWare)
- Darts Up (Wii U eShop)
- Darts Up (Switch eShop)
- Darts Up 3D (3DS eShop)
- Data East Arcade Classics (Wii)
- Datamine (DSiWare)
- Date or Ditch (DSiWare)
- Dauntless (Switch eShop)
- Dave Mirra Freestyle BMX 2 (GCN)
- Dave Mirra Freestyle BMX 2 (GBA)
- Dawn of the Breakers (Switch eShop)
- Days of Dawn (Wii U eShop)
- de Blob (Wii)
- de Blob (Switch)
- de Blob 2 (Wii)
- de Blob 2 (DS)
- de Blob 2 (Switch)
- De Mambo (Switch eShop)
- Dead 'N' Furious (DS)
- Dead Cells (Switch)
- Dead End Job (Switch eShop)
- Dead Fun Pack: Penguins and Aliens Strike Again (Switch eShop)
- Dead Heat Scramble (GB)
- Dead Moon (TG-16)
- Dead or Alive Xtreme 3: Scarlet (Switch)
- Dead or Alive: Dimensions (3DS)
- Dead Rising: Chop Till You Drop (Wii)
- Dead Space: Extraction (Wii)
- Dead Synchronicity: Tomorrow Comes Today (Switch eShop)
- Deadbolt (Switch eShop)
- Deadly Creatures (Wii)
- Death Jr. and the Science Fair of Doom (DS)
- Death Mark (Switch)
- Death Road To Canada (Switch eShop)
- Death Squared (Switch eShop)
- Debris Infinity (Switch eShop)
- Deca Sports (Wii)
- Deca Sports 2 (Wii)
- Deca Sports 3 (Wii)
- Deca Sports DS (DS)
- Deca Sports Extreme (3DS)
- Decathlon 2012 (DSiWare)
- Decay Of Logos (Switch eShop)
- Dedede's Drum Dash Deluxe (3DS eShop)
- DEEMO (Switch eShop)
- Deep Labyrinth (DS)
- Deep Ones (Switch eShop)
- Deep Sea Creatures (DSiWare)
- Deepak Chopra's Leela (Wii)
- Deer Captor (WiiWare)
- Deer Drive Legends (3DS)
- Deer Drive Legends (WiiWare)
- Deer Hunting King (3DS eShop)
- Defend Your Castle (WiiWare)
- Defend Your Crypt (Wii U eShop)
- Defend Your Crypt (3DS eShop)
- Defender (GCN)
- Defenders of Oasis (GG)
- Defense Dome (Wii U eShop)
- Defense of the Middle Kingdom (DSiWare)
- Defoliation (Switch eShop)
- Defunct (Switch eShop)
- Degrees of Separation (Switch eShop)
- Delbo (DSiWare)
- Dementium II (DS)
- Dementium II Remastered (3DS eShop)
- Dementium Remastered (3DS eShop)
- Dementium: The Ward (DS)
- Demetrios - The BIG Cynical Adventure (Switch eShop)
- Demon King Box (3DS eShop)
- Demon's Crest (SNES)
- Demon's Crystals (Switch eShop)
- Demongeon (Wii U eShop)
- Demonic Karma Summoner (Wii U eShop)
- Denjarasu Jii-San Jya (3DS)
- Denpa Ningen no RPG (3DS eShop)
- Densetsu no Stafi (GBA)
- Densetsu no Stafi 2 (GBA)
- Densetsu no Stafi 3 (GBA)
- Densetsu no Stafi 4 (DS)
- Densha de Go! 64 (N64)
- Deployment (Switch eShop)
- Derby Dogs (WiiWare)
- Derby Stallion (Tentative Title) (Switch)
- Deru - The Art of Cooperation (Switch eShop)
- Descenders (Switch eShop)
- Descent (WiiWare)
- Descent (Switch)
- Desert Child (Switch eShop)
- Desktop Soccer (Switch eShop)
- Despicable Me: The Game (Wii)
- Despicable Me: The Game - Minion Mayhem (DS)
- Destiny's Princess: A War Story, A Love Story (Switch eShop)
- Destruction (Switch eShop)
- Detana!! TwinBee (TG-16)
- Detective Gallo (Switch eShop)
- Detective Pikachu (3DS)
- Detention (Switch eShop)
- Deus Ex: Human Revolution Director's Cut (Wii U)
- Devil Band - Rock the Underworld (DSiWare)
- Devil World (NES)
- Devil's Crush (TG-16)
- Devil's Third (Wii U)
- Devious Dungeon (Switch eShop)
- Dex (Wii U eShop)
- Dexteritrip (Switch eShop)
- Diablo III: Eternal Collection (Switch)
- Diamond Trust of London (DS)
- Diatomic (WiiWare)
- Dictionary 6 in 1 with Camera Function (DSiWare)
- Did It Myself ABC123 (DSiWare)
- Diddy Kong Racing (N64)
- Diddy Kong Racing (DS)
- Die for Valhalla! (Switch eShop)
- Die Hard: Vendetta (GCN)
- Dieselstormers (Wii U eShop)
- Dig Dug (NES)
- Dig Dug Digging Strike (DS)
- Dig Dug II (NES)
- Digerati Indie Bundle: INK & HackyZack (Switch eShop)
- Digger Dan & Kaboom (DSiWare)
- Digger Dan DX (3DS eShop)
- Diggerman (Switch eShop)
- Digimon Survive (Switch)
- Digimon World Dawn and Dusk (DS)
- Digimon World DS (DS)
- Digimon World Re:Digitize Decode (3DS)
- Digital Champ: Battle Boxing (TG-16)
- Dillon's Dead-Heat Breakers (3DS)
- Dillon's Rolling Western (3DS eShop)
- Dillon's Rolling Western: The Last Ranger (3DS eShop)
- Dimension Drive (Switch eShop)
- Diner Dash (WiiWare)
- Dino Strike (Wii)
- Dinosaur King (DS)
- Dinox (Wii U eShop)
- Dirt Racer (SNES)
- Disaster: Day of Crisis (Wii)
- Disc Jam (Switch eShop)
- Disco Dodgeball - REMIX (Switch eShop)
- Discolight (DSiWare)
- Discovery (Wii U eShop)
- Discovery (Switch eShop)
- Disease -Hidden Object- (Switch eShop)
- Disgaea 1 Complete (Switch)
- Disgaea 5 Complete (Switch)
- Disgaea DS (DS)
- Disgaea Refine (Switch)
- Disney Art Academy (3DS)
- Disney Epic Mickey (Wii)
- Disney Epic Mickey 2: The Power of Two (Wii)
- Disney Epic Mickey 2: The Power of Two (Wii U)
- Disney Epic Mickey: Power of Illusion (3DS)
- Disney Fireworks (DSiWare)
- Disney Frozen: Olaf's Quest (3DS)
- Disney Guilty Party (Wii)
- Disney Infinity (Wii U)
- Disney Infinity 2.0 (Wii U)
- Disney Infinity 3.0 (Wii U)
- Disney Magical World (3DS)
- Disney Magical World 2 (3DS)
- Disney Planes: Fire & Rescue (Wii U)
- Disney Planes: Fire & Rescue (3DS)
- Disney Princess: My Fairytale Adventure (3DS)
- Disney Universe (Wii)
- Disney's Planes (Wii U)
- Disney's Planes (3DS)
- Dive: The Medes Islands Secret (WiiWare)
- Divergent Shift (DSiWare)
- DJ Hero (Wii)
- DJ Hero 2 (Wii)
- DJ Hero 3D (3DS)
- DJ Star (DS)
- DK: Jungle Climber (DS)
- DK: King of Swing (GBA)
- Doc Clock: The Toasted Sandwich of Time (WiiWare)
- Doc Louis' Punch-Out!! (WiiWare)
- Doctor Lautrec and the Forgotten Knights (3DS)
- Doctor Who: Evacuation Earth (DS)
- Doctor Who: Return to Earth (Wii)
- Dodge Club Party (Wii U eShop)
- Dodge Club Pocket (3DS eShop)
- DodgeBox (3DS eShop)
- DodoGo! (DSiWare)
- DodoGo! Challenge (DSiWare)
- DodoGo! Robo (DSiWare)
- Dogz (DS)
- Dokapon Kingdom (Wii)
- Dokuro (Switch eShop)
- Doll Fashion Atelier (3DS eShop)
- Dolphin Up (Wii U eShop)
- Don't Crash (Wii U eShop)
- DON'T CRASH GO (New 3DS)
- Don't Cross the Line (DSiWare)
- Don't Die Mr Robot! DX (Switch eShop)
- Don't Feed the Animals (DSiWare)
- Don't Knock Twice (Switch eShop)
- Don't Sink (Switch eShop)
- Don't Starve: Giant Edition (Wii U eShop)
- Don't Touch Anything Red (Wii U eShop)
- Don’t Starve: Nintendo Switch Edition (Switch eShop)
- Donkey Kong (NES)
- Donkey Kong (GB)
- Donkey Kong (Arcade)
- Donkey Kong 3 (NES)
- Donkey Kong 3 (Arcade)
- Donkey Kong 64 (N64)
- Donkey Kong Barrel Blast (Wii)
- Donkey Kong Country (SNES)
- Donkey Kong Country 2: Diddy's Kong Quest (SNES)
- Donkey Kong Country 3: Dixie Kong's Double Trouble! (SNES)
- Donkey Kong Country Returns (Wii)
- Donkey Kong Country Returns 3D (3DS)
- Donkey Kong Country: Tropical Freeze (Wii U)
- Donkey Kong Country: Tropical Freeze (Switch)
- Donkey Kong Jr. (NES)
- Donkey Kong Jr. (Arcade)
- Donkey Kong Jr. Math (NES)
- Donkey Kong Jungle Beat (GCN)
- Donkey Kong Land (GB)
- Donkey Kong Land 2 (GB)
- Donkey Kong Land III (GB)
- Donkey Kong Racing (GCN)
- Donkey Kong: Original Edition (NES)
- Donkey Konga (GCN)
- Donkey Konga 2: Hit Song Parade (GCN)
- Donut County (Switch eShop)
- Doodle Dash (Wii U eShop)
- Doodle Fit (DSiWare)
- Doodle God: Evolution (Switch eShop)
- Doodle Jump Adventures (3DS)
- Doodle Jump Journey (DS)
- Doom (GBA)
- DOOM (Switch)
- Doom 64 (N64)
- DOOM Eternal (Switch)
- DOOORS (3DS eShop)
- DoReMi Fantasy: Milon's DokiDoki Adventure (SNES)
- Doshin The Giant (GCN)
- Dot Arcade (Wii U eShop)
- Dot Runner: Complete Edition (3DS eShop)
- DotMan (DSiWare)
- Double Bloob (DSiWare)
- Double Breakout (Wii U eShop)
- Double Breakout (3DS eShop)
- Double Breakout II (Wii U eShop)
- Double Cross (Switch eShop)
- Double Dragon (NES)
- Double Dragon (GB)
- Double Dragon 3: The Arcade Game (GB)
- Double Dragon Advance (GBA)
- Double Dragon II (GB)
- Double Dragon II: The Revenge (NES)
- Double Dragon III: The Sacred Stones (NES)
- Double Dragon IV (Switch eShop)
- Double Dragon V: The Shadow Falls (SNES)
- Double Dribble (NES)
- Double Dungeons (TG-16)
- Double Pug Switch (Switch eShop)
- Doughlings: Arcade (Switch eShop)
- Downtown Nekketsu Baseball Monogatari: Yakyū de Shōbu da! Kunio-kun (SNES)
- Downtown Nekketsu Dodgeball (WiiWare)
- Downtown Nekketsu Jidaigeki (3DS)
- Downtown Nekketsu Kōshinkyoku: Dokodemo Daiundōkai (GB)
- Downtown Nekketsu Kōshinkyoku: Soreyuke Daiundōkai (NES)
- Downtown Special: Kunio-kun no Jidaigeki da yo Zen'in Shūgō! (NES)
- Downtown Special: Kunio-kun no Jidaigeki da yo Zen'in Shūgō! (GB)
- Downtown Texas Hold 'Em (DSiWare)
- Downwell (Switch eShop)
- Dr. Franken (GB)
- Dr. Jekyll and Mr. Hyde (NES)
- Dr. Kawashima's Brain Training: How Old is Your Brain? (DS)
- Dr. Luigi (Wii U eShop)
- Dr. Mario (GB)
- Dr. Mario (NES)
- Dr. Mario Express (DSiWare)
- Dr. Mario Online Rx (WiiWare)
- Dr. Mario: Miracle Cure (3DS eShop)
- Dr. Robotnik's Mean Bean Machine (MD)
- Dr. Robotnik's Mean Bean Machine (GG)
- Dracula's Legacy (Wii U eShop)
- Dracula's Legacy (Switch eShop)
- Dracula: Undead Awakening (WiiWare)
- Dracula: Undead Awakening (DSiWare)
- Dragalia Lost (Mobile)
- Draglade (DS)
- DragoDino (Switch eShop)
- Dragon Ball FighterZ (Switch)
- Dragon Ball Fusions (3DS)
- Dragon Ball Kai: Ultimate Butoden (DS)
- Dragon Ball Xenoverse 2 (Switch)
- Dragon Ball Z: Budokai (GCN)
- Dragon Ball Z: Budokai 2 (GCN)
- Dragon Ball Z: Budokai Tenkaichi 2 (Wii)
- Dragon Ball Z: Budokai Tenkaichi 3 (Wii)
- Dragon Ball Z: Extreme Butoden (3DS)
- Dragon Ball Z: Goku Densetsu (DS)
- Dragon Ball Z: Sagas (GCN)
- Dragon Ball Z: Super Butoden 2 (SNES)
- Dragon Ball Z: Supersonic Warriors 2 (DS)
- Dragon Ball Z: The Legacy of Goku (GBA)
- Dragon Ball Z: The Legacy of Goku II (GBA)
- Dragon Blaze (Switch eShop)
- Dragon Booster (DS)
- Dragon Crystal (GG)
- Dragon Fantasy: The Black Tome of Ice (Wii U eShop)
- Dragon Fantasy: The Black Tome of Ice (3DS eShop)
- Dragon Fantasy: The Volumes of Westeria (Wii U eShop)
- Dragon Fantasy: The Volumes of Westeria (3DS eShop)
- Dragon Lapis (3DS eShop)
- Dragon Master Spell Caster (WiiWare)
- Dragon Quest Builders (Switch)
- Dragon Quest Builders 2 (Switch)
- Dragon Quest Heroes I•II (Switch)
- Dragon Quest Heroes: Rocket Slime (DS)
- Dragon Quest IV: Chapters of the Chosen (DS)
- Dragon Quest IX: Sentinels of the Starry Skies (DS)
- Dragon Quest Monsters 2: Iru and Luca's Wonderful Mysterious Keys (3DS)
- Dragon Quest Monsters: Joker (DS)
- Dragon Quest Monsters: Joker 2 (DS)
- Dragon Quest Swords: The Masked Queen and the Tower of Mirrors (Wii)
- Dragon Quest V: Hand of the Heavenly Bride (DS)
- Dragon Quest VI: Realms of Revelation (DS)
- Dragon Quest VII: Fragments of the Forgotten Past (3DS)
- Dragon Quest VIII: Journey of the Cursed King (3DS)
- Dragon Quest Wars (DSiWare)
- Dragon Quest X (Wii)
- Dragon Quest X (Wii U)
- Dragon Quest X (3DS)
- Dragon Quest X (Switch)
- Dragon Quest XI: Echoes of an Elusive Age (3DS)
- Dragon Quest XI: Echoes of an Elusive Age (Switch)
- Dragon Sinker (3DS eShop)
- Dragon Sinker (Switch eShop)
- Dragon Skills (Wii U eShop)
- Dragon Spirit (TG-16)
- Dragon Warrior (NES)
- Dragon Warrior III (GBC)
- Dragon Warrior Monsters (GB)
- Dragon Warrior Monsters 2: Tara's Adventure & Cobi's Journey (GB)
- Dragon's Curse (TG-16)
- Dragon's Dogma: Dark Arisen (Switch)
- Dragon's Lair (DSiWare)
- Dragon's Lair II: Time Warp (DSiWare)
- Dragon's Lair Trilogy (Wii)
- Dragon: Marked for Death (Switch eShop)
- DragonFangZ - The Rose & Dungeon of Time (Switch eShop)
- Drancia Saga (3DS eShop)
- Draw 2 Survive (Wii U eShop)
- Draw a Stickman: EPIC 2 (Wii U eShop)
- Draw a Stickman: EPIC 2 (Switch eShop)
- Draw The Line (Wii U eShop)
- Drawful 2 (Switch eShop)
- Drawn to Life (DS)
- Drawn to Life: The Next Chapter (Wii)
- Drawn to Life: The Next Chapter (DS)
- Dream Alone (Switch eShop)
- Dream Trigger 3D (3DS)
- Dreamals (Wii U eShop)
- Dreamals: Dream Quest (Wii U eShop)
- Dreamwalker (DSiWare)
- Dreamwalker (Switch eShop)
- DreamWorks Dragons Dawn of New Riders (Switch)
- DreamWorks Super Star Kartz (3DS)
- Dreii (Wii U eShop)
- Dress To Play: Cute Witches! (3DS eShop)
- Dress To Play: Magic Bubbles! (3DS eShop)
- Drift Legends (Switch eShop)
- Drift Street International (DSiWare)
- Driift Mania (WiiWare)
- Drill Dozer (GBA)
- Drill Sergeant Mindstrong (WiiWare)
- Driver (GBC)
- Driver: Parallel Lines (Wii)
- Driver: Renegade 3D (3DS)
- Driving Theory Training (DS)
- Drone Fight (3DS eShop)
- Drone Fight (Switch eShop)
- Drop It: Block Paradise! (Wii U eShop)
- Drop Off (TG-16)
- Drop Zone: Under Fire (WiiWare)
- Drop Zone: Under Fire (3DS eShop)
- Dual Core (Wii U eShop)
- DualPenSports (3DS)
- DubWars (Wii U eShop)
- Duck Dynasty (3DS)
- Duck Game (Switch eShop)
- Duck Hunt (NES)
- DuckTales (NES)
- DuckTales (GB)
- DuckTales: Remastered (Wii U eShop)
- Duke Nukem (GBC)
- Dungeon Explorer (TG-16)
- Dungeon Hearts DX (Wii U eShop)
- Dungeon of Zaar (Switch eShop)
- Dungeon Rushers (Switch eShop)
- Dungeon Village (Switch eShop)
- Dungeons & Dragons: Chronicles of Mystara (Wii U eShop)
- Dungreed (Switch)
- Dust: An Elysian Tail (Switch eShop)
- Dustoff Heli Rescue 2 (Switch eShop)
- Dusty Raging Fist (Wii U eShop)
- DYING: Reborn - Nintendo Switch Edition (Switch eShop)
- Dynamite Fishing - World Games (Switch eShop)
- Dynamite Headdy (MD)
- Dynasty Warriors 8 Xtreme Legends Definitive Edition (Switch eShop)
- Dynasty Warriors 8: Empires (Switch)
- Dynasty Warriors Vs (3DS)