- C-Wars (Wii U eShop)
- C-Wars (3DS eShop)
- C.O.P. The Recruit (DS)
- Cabela's Big Game Hunter (Wii)
- Cabela's Dangerous Hunts 2013 (Wii U)
- Cake Mania (DS)
- Cake Ninja (DSiWare)
- Cake Ninja 2 (DSiWare)
- Cake Ninja 3: The Legend Continues (Wii U eShop)
- Cake Ninja XMAS (DSiWare)
- Calculator (DSiWare)
- California Games (C64)
- California Super Sports (DSiWare)
- Call Of Duty 3 (Wii)
- Call of Duty: Black Ops (Wii)
- Call of Duty: Black Ops (DS)
- Call of Duty: Black Ops II (Wii U)
- Call of Duty: Ghosts (Wii U)
- Call of Duty: Modern Warfare 3 (Wii)
- Call of Duty: Modern Warfare: Reflex (Wii)
- Call of Duty: World at War (Wii)
- Calling (Wii)
- Candle Route (DSiWare)
- Candy Hoarder (Wii U eShop)
- Candy Match 3 (3DS)
- Candy, Please! (3DS eShop)
- Cannon Fodder (SNES)
- Cannon Fodder (GBC)
- Canvaleon (Wii U eShop)
- Capcom vs. SNK 2 EO (GCN)
- Captain America: Super Soldier (Wii)
- Captain America: Super Soldier (DS)
- Captain America: Super Soldier (3DS)
- Captain Rainbow (Wii)
- Captain Toad: Treasure Tracker (Wii U)
- Car Battler Joe (GBA)
- Car Jack Streets (DSiWare)
- Carmen Sandiego Adventures in Math: The Big Ben Burglary (WiiWare)
- Carmen Sandiego Adventures in Math: The Case of the Crumbling Cathedral (WiiWare)
- Carmen Sandiego Adventures in Math: The Great Gateway Grab (WiiWare)
- Carmen Sandiego Adventures in Math: The Island of Diamonds (WiiWare)
- Carmen Sandiego Adventures in Math: The Lady Liberty Larceny (WiiWare)
- Carnival King (WiiWare)
- Carps & Dragons (3DS eShop)
- Cars (GCN)
- Cars (DS)
- Cars (Wii)
- Cars 2 (3DS)
- Cars 3: Driven to Win (Switch)
- Cars 3: Driven to Win (Wii U)
- Cars: Race-O-Rama (DS)
- Cartoon Network Punch Time Explosion (3DS)
- Cartoon Network Racing (DS)
- Cartoon Network: Battle Crashers (3DS)
- Castelian (GB)
- Castle Clout 3D (3DS eShop)
- Castle Conqueror (DSiWare)
- Castle Conqueror - Against (DSiWare)
- Castle Conqueror - Heroes (DSiWare)
- Castle Conqueror - Heroes 2 (DSiWare)
- Castle Conqueror - Revolution (DSiWare)
- Castle Conqueror Defender (3DS eShop)
- Castle Conqueror EX (3DS eShop)
- Castle of Magic (DSiWare)
- Castle of Shikigami III (Wii)
- Castles (Wii U eShop)
- CastleStorm (3DS eShop)
- CastleStorm (Wii U eShop)
- Castlevania (NES)
- Castlevania (N64)
- Castlevania II: Belmont's Revenge (GB)
- Castlevania II: Simon's Quest (NES)
- Castlevania III: Dracula's Curse (NES)
- Castlevania Judgment (Wii)
- Castlevania Legends (GB)
- Castlevania The Adventure ReBirth (WiiWare)
- Castlevania: Aria of Sorrow (GBA)
- Castlevania: Circle of the Moon (GBA)
- Castlevania: Dawn of Sorrow (DS)
- Castlevania: Dracula X (SNES)
- Castlevania: Harmony of Dissonance (GBA)
- Castlevania: Lords of Shadow - Mirror of Fate (3DS)
- Castlevania: Order of Ecclesia (DS)
- Castlevania: Portrait of Ruin (DS)
- Castlevania: Rondo of Blood (TG-16)
- Castlevania: The Adventure (GB)
- Cat Frenzy (DSiWare)
- Cat Quest (Switch eShop)
- Cate West: The Vanishing Files (Wii)
- Catrap (GB)
- Cats and Dogs 3D: Pets at Play (3DS)
- Catz (DS)
- Cave Story (WiiWare)
- Cave Story (DSiWare)
- Cave Story (3DS eShop)
- Cave Story 3D (3DS)
- Cave Story+ (Switch)
- Cel Damage (GCN)
- Celebrity Sports Showdown (Wii)
- Celeste (Switch eShop)
- Centipede: Infestation (3DS)
- Centipede: Infestation (Wii)
- Chain Blaster (3DS eShop)
- Challenge Me: Brain Puzzles (DS)
- Chameleon Twist (N64)
- Chameleon: To Dye For! (DS)
- Chariot (Wii U eShop)
- Charlie's Angels (GCN)
- Chase H.Q. (TG-16)
- Chase: Cold Case Investigations - Distant Memories (3DS eShop)
- Chasing Aurora (Wii U eShop)
- Chasing Dead (Wii U eShop)
- Chat-A-Lot (3DS eShop)
- Chess Challenge! (WiiWare)
- Chess Challenge! (DSiWare)
- Chests O' Booty (Wii U eShop)
- Chevrolet Camaro Wild Ride 3D (3DS eShop)
- Chew Man Fu (TG-16)
- Chibi-Robo (GCN)
- Chibi-Robo! Photo Finder (3DS eShop)
- Chibi-Robo!: Zip Lash (3DS)
- Chibi-Robo: Park Patrol (DS)
- chick chick BOOM (WiiWare)
- Chicken Wiggle (3DS eShop)
- Child of Light (Wii U eShop)
- Child's Mind (Wii U eShop)
- Children of Mana (DS)
- Chimpuzzle Pro (Wii U eShop)
- China Warrior (TG-16)
- Cho Aniki (TG-16)
- Chocobo Racing 3D (3DS)
- Chocolatier (DS)
- Chompy Chomp Chomp Party (Wii U eShop)
- Choujikuu Yousai Macross: Scrambled Valkyrie (SNES)
- Christmas Adventure of Rocket Penguin (Wii U eShop)
- Christmas Clix (WiiWare)
- Christmas Wonderland (DSiWare)
- Christmas Wonderland 2 (DSiWare)
- Christmas Wonderland 3 (3DS eShop)
- Christmas Wonderland 4 (3DS eShop)
- Chroma Blast (Wii U eShop)
- Chromophore: The Two Brothers Director's Cut (Wii U eShop)
- Chronicles of Mystery: The Secret Tree of Life (DS)
- Chronicles Of Teddy: Harmony Of Exidus (Wii U eShop)
- Chronicles of Vampires: Awakening (DSiWare)
- Chronicles of Vampires: Origins (DSiWare)
- Chrono Trigger (DS)
- Chrono Trigger (SNES)
- Chronos Twins (DS)
- Chronos Twins (DSiWare)
- Chronos Twins DX (WiiWare)
- Chronus Arc (3DS eShop)
- Chubbins (Wii U eShop)
- ChuChu Rocket! (GBA)
- Chuck E. Cheese's Alien Defense Force (DSiWare)
- Chuck E. Cheese's Arcade Room (DSiWare)
- CID The Dummy (Wii)
- Citadale (Wii U eShop)
- Citadale - The Legends Trilogy (Wii U eShop)
- Citizens of Earth (Wii U eShop)
- Citizens of Earth (3DS eShop)
- City Connection (NES)
- City Mysteries (3DS eShop)
- City Transport Map Volumes 1 & 2 - 2009 (DSiWare)
- Civilization Revolution (DS)
- Clash of Elementalists (DSiWare)
- Classic Card Games (3DS eShop)
- Classic Games Overload: Card & Puzzle Edition (3DS)
- ClayFighter (MD)
- Cloudberry Kingdom (Wii U eShop)
- Cloudy with a Chance of Meatballs 2 (3DS)
- Clu Clu Land (NES)
- Club Penguin: Elite Penguin Force (DS)
- Clubhouse Games (DS)
- Clubhouse Games Express: Card Classics (DSiWare)
- Clubhouse Games Express: Family Favorites (DSiWare)
- Clubhouse Games Express: Strategy Pack (DSiWare)
- Coaster Crazy Deluxe (Wii U eShop)
- Coaster Creator 3D (3DS eShop)
- Cocoro Line Defender (3DS eShop)
- Cocoto Alien Brick Breaker (3DS eShop)
- Cocoto Festival (Wii)
- Cocoto Fishing Master (WiiWare)
- Cocoto Magic Circus 2 (Wii U)
- Cocoto Platform Jumper (WiiWare)
- Code Lyoko (DS)
- Code Name: S.T.E.A.M. (3DS)
- Code of Princess (3DS)
- Colin McRae Rally 2.0 (GBA)
- Colin McRae: DiRT 2 (Wii)
- Collateral Thinking (Wii U eShop)
- Collide-a-Ball (3DS eShop)
- COLOR BOMBS (Wii U eShop)
- Color Commando (DSiWare)
- Color Cross (DS)
- COLOR CUBES (New 3DS)
- COLOR CUBES (Wii U eShop)
- Color Symphony 2 (Wii U eShop)
- Color Zen (Wii U eShop)
- Color Zen (3DS eShop)
- Color Zen Kids (3DS eShop)
- Color Zen Kids (Wii U eShop)
- Colors! 3D (3DS eShop)
- ColorZ (WiiWare)
- Colour Cross (DS)
- Columns (MD)
- Columns (GG)
- Columns III: Revenge of Columns (MD)
- Combat of Giants: Dinosaurs - Fight for Survival (DSiWare)
- Combat of Giants: Dinosaurs 3D (3DS)
- Combat of Giants: Dragons - Bronze Edition (DSiWare)
- Combat of Giants: Mutant Insects - Revenge (DSiWare)
- Combat Wings: The Great Battles of WWII (Wii)
- Come On! Dragons (DSiWare)
- Come On! Heroes (DSiWare)
- Comic Workshop (3DS eShop)
- Comic Workshop 2 (3DS eShop)
- Comix Zone (MD)
- Commando: Steel Disaster (DSiWare)
- Conception II: Children of the Seven Stars (3DS)
- Conduit 2 (Wii)
- Conker's Bad Fur Day (N64)
- Constructor (Switch eShop)
- Contact (DS)
- Contra (NES)
- Contra 4 (DS)
- Contra Advance: The Alien Wars EX (GBA)
- Contra III: The Alien Wars (SNES)
- Contra ReBirth (WiiWare)
- Conveni Dream (3DS eShop)
- Cookie & Cream (DS)
- Cooking Guide: Can't Decide What To Eat? (DS)
- Cooking Mama (DS)
- Cooking Mama 2: Dinner with Friends (DS)
- Cooking Mama 2: Dinner with Friends (Wii)
- Cooking Mama 3: Shop and Chop (DS)
- Cooking Mama 4: Kitchen Magic (3DS)
- Cooking Mama 5: Bon Appétit (3DS)
- Cooking Mama: Cook Off (Wii)
- Cooking Mama: Sweet Shop (3DS)
- Cooking Mama: World Kitchen (Wii)
- Copter Crisis (WiiWare)
- Coqui The Game (Wii U eShop)
- Corpse Party (3DS)
- Cosmic Highway (Wii U eShop)
- Cosmo Fighters (DSiWare)
- Cosmophony (Wii U eShop)
- Cosmos X2 (DSiWare)
- Costume Quest 2 (Wii U eShop)
- Cosy Fire (WiiWare)
- Crab Cakes Rescue (Wii U eShop)
- Crack Down (MD)
- Crafting Mama (DS)
- Crash 'n the Boys: Street Challenge (NES)
- Crash Bandicoot: The Wrath of Cortex (GCN)
- Crash Boom Bang! (DS)
- Crash City Mayhem (3DS)
- Crash Nitro Kart (GCN)
- Crash of the Titans (Wii)
- Crash Tag Team Racing (GCN)
- Crash-Course Domo (DSiWare)
- Crash: Mind over Mutant (Wii)
- Cratermaze (TG-16)
- Crayola Treasure Adventures (DS)
- Crazy Cheebo: Puzzle Party (DSiWare)
- Crazy Chicken Pirates (DSiWare)
- Crazy Chicken Pirates 3D (3DS eShop)
- Crazy Chicken: Director's Cut 3D (3DS eShop)
- Crazy Construction (3DS eShop)
- Crazy Golf (DSiWare)
- Crazy Hamster (DSiWare)
- Crazy Hunter (DSiWare)
- Crazy Kangaroo (3DS eShop)
- Crazy Pinball (DSiWare)
- Crazy Sudoku (DSiWare)
- Crazy Taxi (GCN)
- Crazy Train (DSiWare)
- Create (Wii)
- Cricket Challenge (WiiWare)
- Crime Lab: Body of Evidence (DS)
- Crimson Shroud (3DS eShop)
- Critter Round-Up (WiiWare)
- Crollors Game Pack (3DS eShop)
- Crossword Collection (DS)
- Crosswords Plus (3DS)
- Cruis'n (Wii)
- Cruis'n USA (N64)
- Cruise Party (WiiWare)
- CRUSH3D (3DS)
- Cryamore (Wii U eShop)
- Crystal Adventure (DSiWare)
- Crystal Beans From Dungeon Explorer (SNES)
- Crystal Caverns of Amon-Ra (DSiWare)
- Crystal Defenders R1 (WiiWare)
- Crystal Defenders R2 (WiiWare)
- Crystal Monsters (DSiWare)
- Crystal Warriors (GG)
- CSI: Fatal Conspiracy (Wii)
- CSI: Unsolved! (DS)
- Cube Blitz (Wii U eShop)
- Cube Creator 3D (3DS eShop)
- Cube Life: Island Survival (Wii U eShop)
- Cube Life: Island Survival HD (Switch eShop)
- Cube Life: Pixel Action Heroes (Wii U eShop)
- Cube Tactics (3DS eShop)
- Cubemen 2 (Wii U eShop)
- Cubic Ninja (3DS)
- Cubit The Hardcore Platformer Robot (3DS eShop)
- Cubit the Hardcore Platformer Robot HD (Wii U eShop)
- Cue Sports: Snooker Vs Billiards (WiiWare)
- Culdcept Revolt (3DS)
- Cult County (3DS eShop)
- CUP CRITTERS (Wii U eShop)
- CUP CRITTERS (New 3DS)
- Curling Super Championship (DSiWare)
- Cursed Castilla (3DS eShop)
- Cursed Mountain (Wii)
- Custom Robo (GCN)
- Custom Robo Arena (DS)
- Cut the Rope (DSiWare)
- Cut The Rope (3DS eShop)
- Cut the Rope: Triple Treat (3DS)
- Cute Witch! Runner (DSiWare)
- Cutie Clash (Wii U eShop)
- Cutie Pets Go Fishing (Wii U eShop)
- Cutie Pets Jump Rope (Wii U eShop)
- Cutie Pets Pick Berries (Wii U eShop)
- Cybernator (SNES)
- Cybernoid: The Fighting Machine (C64)