- IdleMiner Vita
- Idolmaster SP English Translation Plus PSP
- Idstorage Dumper Vita
- Iiii Wii
- Ikachan DS
- Ikinari Boper GB
- IkuReader
- Ikuzo PSP
- IlluminatiNX Switch
- ImGUI Deko3D Example Switch
- ImGUI Switch
- ImageShare 3DS
- Image Viewer
- Imc0 Mount Vita
- Imgr3ds 3DS
- Imgurup-3ds
- ImpGAME PSP
- Impact GBA
- Impact PSP
- ImpossiPong GB
- Impossible Tic Tac Toe
- ImpulseDS
- In-Home-Switching Switch
- In the Rays of the Light Switch
- Inazuma Eleven GO 2 Chrono Stone Neppu Raimei Undub 3DS
- Inbreed Hockey GBA
- Incognito RCM Switch
- Incognito Switch
- Indexiine Installer Wii U
- Indiana Jones y La Maldicion Azteca
- Indiana Pwns Wii
- Individuation GBA
- InfXion PSP
- Inferno DS
- Inferno GBA
- Infinite Turbo Boat GBA
- Infinitenet Vita
- Infinitron GB
- InfinityCat for PSP
- Infinity GB
- Infinity PSP
- InfoNES Advance GBA
- InfoNES for PSP
- InfoPyuta PSP
- InfoVPSP
- Info Portable PSP
- InfovPSP
- Infra-Read GB
- Infrared Investigator GB
- Inheritors of the Oubliette GBA
- Injectiine Wii U
- Inkpoly Wii
- Innocence
- Innyume Vita
- Input Redirection - Extended Edition 3DS
- Input Redirection 3DS
- Input Test DS
- Insectoid Defense 3DS
- Inside the Machine
- InspectMii Wii
- Inspectmii Wii
- Install-o-tron PSP
- InstallMii 3DS
- InstallMii Wii
- Installmii Wii
- Instant CFW Payload Switch
- Instant Rimshot! PSP
- Instant Rimshot PSP
- Instrulator PSP
- Intensity GBA
- InterfaceLua PSP
- Internal Speakers Switch
- International 5 a Side Soccer GBA
- International Karate
- Into the Blue GB
- Intro V01 GB
- Intro V1 GB
- Intro V2 GB
- InttoHex 3DS
- InvaderX Xbox
- InvadersNX Switch
- Invasion DS
- Invasion DX GB
- Invertor PSP
- Invite Brigade GBA
- Inwaders GBA
- IoPlus Vita
- IoQuake3DS
- Ion Fury 60 FPS Hack Switch
- Ionos PSP
- Ioquake3-NX Switch
- Ioquake3-NX Switch Update
- IphoneV-PSP PSP
- Ipod Touch Gun App
- Ipod Touch for DS
- IrDA Games PSP
- IrViewer GB
- Irctr 3DS
- Iridium Switch
- Iris PSP
- Iro
- IronHorseDS
- Iron Hike GB
- Ironfall Invasion Save Editor 3DS
- Ironhead Vita
- Is It Fake? Vita
- Is It Wrong To Try To Pick Up Girls In A Dungeon Infinite Combate English Vita
- Is That A Demo In Your Pocket GB
- Is relative GB
- Isaacs First Demo GB
- Isabelle Dance Studio Vita
- Ishar Advance GBA
- Island Story GB
- Island Wars PSP
- Isle Quest GB
- Iso Snake GBA
- Isofácil
- Isometrico NDS
- Isotope 244 Collection Vita
- Issues Cancelled GB
- It Came from Planet Zilog GB
- It Takes Two Advance GBA
- Itadaki Street Dragon Quest Final Fantasy 30th Anniversary English Vita
- Italian Parking Wii
- Italian Plumber Adventures Vita
- ItemzFlow PS4
- JAIG GBA
- JAV Vita
- JAZT Just Another Zombie Tale PSP
- JAZT PSP
- JEDECheck 3DS
- JETSKI 3DS
- JEnesisDS
- JFBlood 3DS
- JFShadowWarrior 3DS
- JGeckoU Wii U
- JIPS
- JKSM 3DS
- JKSM Rosalina: revision 3DS
- JKSM Rosalina 3DS
- JKSV Switch
- JLs gameboy beat em up GB
- JNKPlat
- JNKPlat 2018 3DS
- JNUSLib Wii U
- JOZ2 3AM
- JPCSP PSP
- JPEG Viewer
- JP GB
- JS-Otello PSP
- JTegraNX Switch
- JUMPJUMPJUMPSTART!!! Vita
- JWUDTool Wii U
- JW Pool
- JWiiload
- JaPongG
- JabberDS
- Jack Turtle
- JackalDS
- Jafes Hike PSP
- Jagoomba Color GBA
- JailBreakDS
- Jailbreaker Vita
- JamBoy GB
- Jangki DS
- Janken
- Janua PSP
- JapFR
- Japanese And English Phrase Converter
- Japanese Font Viewer and Extension Kit GB
- Japanese Hiragana & Katakana Review
- Japanese Training
- Jashin GBA
- Java4GBA
- Java Xci Splitter Switch
- Jay's XWords
- Jayros GBA Video Test Cartridge GBA
- JaysOS GBA
- Jazz Jackrabbit PSP
- Jazzier Suite
- Jeffs APA Demo GB
- JellyCar PSP
- JellyCar Switch
- JellyCar Vita
- JellyCar Wii
- Jelly Blocks
- Jenny Thinks PSP
- Jenny Thinks Wii
- Jespa3D GBA
- JetMan 3D Vita
- JetPak DX GB
- JetPak DX Greek Translation GB
- Jet Car Stunts 2 Vita
- Jet Set Wiily
- Jet Set Willy 3DS
- Jet Set Willy GB
- Jetfighter
- Jetpac GBA
- Jetpack 2 GBA
- Jetpack Attack GB
- Jetpack GBA
- Jewel Quest Wii
- Jewel Thief Switch
- Jewel Warehouse
- Jewels Wii
- Jexx Ball PSP
- JezzballDS
- JezzballU Wii U
- Jezzball 3DS
- Jfblood-vita
- Jfduke3d-vita
- Jfsw-vita
- Jftekwar vita
- JigTester Switch
- Jigsaw Puzzle GBA
- Jinxter
- Jisho-3gx 3DS
- Jmedialayer Vita
- JoggleDS
- Johnny Platform's Biscuit Romp
- Joined at the Ship Vita
- Joker Poker GBA
- Jomo GBA
- Joshua Wises Demo GB
- Jovani Vazquez - The Game DS
- Joy-Con Color Swapper Switch
- Joy-Con Toolkit Switch
- Joy-Con Utility Switch
- JoyConMouse Switch
- JoyCon Droid Switch
- JoyDS
- JoySens PSP
- Joy Destroyer
- Joy Destroyer PSP
- Joy Destroyer Wii
- Joyau PSP
- Joycon API For Java Switch
- Joycon Toolbox Switch
- Joycontrol-kb Switch
- Joycontrol-ms Switch
- Joycontrol Switch
- Joypad Test GB
- Joytest GBA
- Jpegbook PSP
- Juego De Datos
- JuegosPX PSP
- Juegos Reunidos Froskito
- Jugglers
- Julius Switch
- Julius Vita
- Jum52 PSP
- Jumalauta Christmas 2004 Musicdisk GB
- Jumalauta DS
- Jump!
- JumpDS
- JumpFree
- Jump 'n Bump Wii
- Jump Beat
- Jump Duck Link PSP
- Jump Gunnar Jump PSP
- Jump Jump Vita
- Jump Kid GBA
- Jump Luigi Jump PSP
- Jump N BumpX Xbox
- Jump Ultimate Stars
- Jump n Bump PSP
- Jump n Bump Switch
- Jump n Bump Vita
- Jumpik GB
- Jumping Barnabe
- Jumping Barnabe GBA
- Jumping Jack 3DS
- Jumping Jack GB
- Jumping Jack GBA
- Jumping Jack PSP
- Jumping Jack Wii
- Jumping Jim GBA
- Jumpman 86 GB
- Jumpy Froggy
- Juniper's Knot Vita
- Jurassic Snap GB
- Jurassic World Evolution Graphics Mod Switch
- Just Another Day GB
- Just a clock...
- Jwbfs Wii
- JzBMSPlayer PSP
- JzintvWii
- K-ON! Houkago Live!! PSP - English Translation
- K32 Super Rocket GB
- KCL Collision Importer Switch
- KEGS-X Xbox
- KETMX Xbox
- KETM 3DS
- KETM PSP
- KETM Vita
- KEx Switch
- KGDoom Switch
- KIxxx XBOX
- KMBXDelirium Xbox
- KMBXFormido Xbox
- KMBXSDLInvaders Xbox
- KMBXTetris Xbox
- KMBXXGalaga Xbox
- KMP Expander 3DS
- KOMOPONG DS
- KOPBAN - Create your own levels PSP
- KOPBAN PSP
- KOSMODRONES PSP
- KSSU Classic Controls
- KSketch 3DS
- KYN GB
- Ka-BoOm
- Kaboom GB
- Kadent Switch
- Kadu Bird GBA
- Kafluke Wii U
- Kagamine Rin & Len Tamanegi Throw & Catch
- KaijuFeeder GB
- Kaiten Patissier 1.00 PSP
- Kakanoid GBA
- Kakashi Adventures PSP
- Kakuro Nichiyou PSP
- Kame Editor 3DS
- Kamen Rider - Battride War Sousei Fan Translation Vita
- KanColle Kai Translation Vita
- Kana DS
- Kanji.es
- KanjiDs
- Kanji Strike DS
- Kaos DS
- Kappa Drop GB
- Kara Kara Cubes GBA
- Karaokii Wii
- Karoshi DS
- Kart Racer Ultra PSP
- Kartdlphax 3DS
- Kartminer7 3DS
- Karts test PSP
- Kartz: Animalia World!
- Karuna PSP
- Kasbrik GBA
- Kasumi scroller GB
- Katamicro GBA
- Katawa Crash Vita
- Katawa Shoujo R7 Vita