Nintendo Lunar

Nintendo Sigma is a ninth-generation hybrid video game console, being developed and manufactured by NIntendo since 202X.

Published by Nintendo

 * Super Mario Planets
 * Animal Crossing Minigame Party
 * The Legend of Zelda: Oracle of Ages & Seasons Return
 * Star Fox Survivor
 * Metroid Dread: Sigma Edition
 * Mother 4
 * Pokkén Tournament Legends

Sega

 * Sega Master System Collection
 * Yakuza Kiwami 3

FromSoftware

 * Dark Souls II: Scholar of the First Sin

Capcom

 * Monster Hunter Duel
 * Mega Man Legends Legacy Collection

Ubisoft

 * Just Dance Ultimate

Bandai Namco

 * Tales of Arise

SNK

 * Samurai Shodown: Sigma Edition
 * The King of Fighters XV: Tournament Edition

Atlus

 * Persona 5 & Persona 5 Royale

Warner Bros.

 * MultiVersus

Published by Nintendo

 * Pokémon Darkness Black & Brighter White
 * Super Smash Bros. Unleashed
 * Punch-Out!! 2
 * Donkey Kong Country: Reborn
 * Metroid Prime 4
 * Splatoon 3: Special Edition
 * Mario Kart: Overdrive
 * Fire Emblem Codename: Marth
 * Pokémon Let's Go, Johto
 * The Legend of Zelda: Champions of the Justice
 * Astal Chain 2
 * Yoshi's Toy World
 * Xenoblade Warriors
 * Marvel Ultimate Alliance 4
 * Fire Emblem Codename: Roy
 * ARMS: Tournament of Champions

Sega

 * Puyo Puyo Tournament
 * Sega Superstars Soccer
 * Yakuza: Like a Dragon
 * Sega Master System Collection 2
 * Sega Master System Collection International

FromSoftware

 * Dark Souls III: Sigma Edition

Capcom

 * Street Fighter 6
 * Capcom vs. SNK 3: Fight of the Millionaire 2020
 * Marvel vs. Capcom: Universe
 * Monster Hunter World: Ultimate Edition
 * Monster Hunter Trainer
 * Resident Evil 0 (Remake)
 * Mega Man 12
 * Capcom Arcade Ultimate Collection
 * Devil May Cry 4 & 5: Enhanced Edition

Ubisoft

 * Rayman 4
 * Watch Dogs 4
 * Prince of Persia
 * Turning Red

Bandai Namco

 * Tekken Tag Tournament 3
 * Pac-Man World 4
 * Jump Stars DX
 * Fishing Resort
 * Dragon Ball: The Breakers
 * Dragon Ball FighterZ 2
 * Ace Combat 8

SNK

 * NeoGeo Pocket Color Selection Vol.2
 * The King of Fighters XII Deluxe
 * Metal Slug NeoGeo Collection

Activision Blizzard

 * Overwatch 2
 * Call of Duty: Warzone
 * Crash Bandicoot 5

Electronic Arts

 * FIFA series
 * NFL series
 * NHL series
 * UFC series
 * PGA Golf

Arc System Works

 * Guilty Gear Strive
 * Double Dragon Duel
 * Rivel City Girls 2

Konami

 * Castlevania Warriors
 * Contra: Rebel Cops
 * Bomberman Galaxy
 * Beat 'em Up Classics Anniversary Collection
 * Yu Gi Oh: Master Duel
 * Teenage Mutant Nija Turtles: The Cowabunga Collection

Marvelous

 * No More Heroes 4
 * Rune Factory 5
 * Harvest Moon: Bash 'n' Rumble

Koei Tecmo

 * Dead or Alive 4: Definitive Edition
 * Ninja Gaiden Sigma 1 & 2: Deluxe

Atlus

 * Persona 1 & 2: Remastered
 * Shin Megami Tensei V: Special Edition

Warner Bros.

 * LEGO Jurassic World: Dominion
 * LEGO Star Wars: The Skywalker Saga
 * LEGO Wandavision
 * LEGO Batman: The Videogame (Remake)
 * Mortal Kombat Ultimate Kollection
 * Mortal Kombat (1992)
 * Mortal Kombat II (1993)
 * Mortal Kombat 3 (1995)
 * Ultimate Mortal Kombat 3 (1995)
 * Mortal Kombat Trilogy (1996)
 * Mortal Kombat Mythologies: Sub-Zero (1997)
 * Mortal Kombat 4 (1997)
 * Mortal Kombat Gold (1999)
 * Mortal Kombat Special Forces (2000)
 * The Batman

505 Games

 * Terraria
 * Control

THQ Nordic

 * SpongeBob SquarePants: The Cosmic Shake
 * Destroy All Humans! 2: Reprobed
 * Biomutant

Spike Chunsoft

 * Fire Pro Wrestling Online
 * Danganronpa Decadence
 * Vasteel Rearmed

Square Enix

 * Final Fantasy XIV: Ultimate Edition
 * Stranger of Paradise: Final Fantasy Origin
 * Kingdom Hearts 4
 * Urban Chaos (Remake)

2K Games

 * Marvel's Midnight Suns
 * NBA 2K series
 * The Punisher
 * Deadpool

Others

 * Fighting EX Layer: Sigma Edition (Arika)
 * Minecraft: Nintendo Sigma Edition (Mojang)
 * Fortnite
 * The Witcher 4
 * Cyberpunk 2077
 * A Hat in Time Sequel
 * Roblox

Virtual Console
This Virtual Console returns

Nintendo

 * Nintendo Entertainment System (1983)
 * Game Boy / Game Boy Color (1989/1998)
 * Super Nintendo Entertainment System (1990)
 * Virtual Boy (1995)
 * Nintendo 64 (1996)
 * Game Boy Advance (2001)
 * Nintendo GameCube (2001)
 * Nintendo DS (2004)

Sega

 * SG-1000 (1983)
 * Sega Master System (1985)
 * Sega Genesis (1988)
 * Sega Game Gear (1990)
 * Sega CD (1991)
 * Sega Saturn (1994)
 * Sega 32X (1994)
 * Sega Dreamcast (1998)

Others

 * Commodore Amiga (1986)
 * Sharp X68000 (1987)
 * TurboGrafx-16/CD (1987/1988/1991/1994)
 * Neo Geo (1990)
 * Panasonic 3D0 (1993)
 * Neo Geo CD (1994)
 * Sony PlayStation (1994)
 * MSX (1983)
 * Commodore 64 (1982)

Bundles
The console will have bundles that will have one (or two) games, that are both first-party and third-party.

Hybrid

 * Planet Bundle
 * Dark Souls II Bundle
 * Mother 4 Bundle
 * Unleashed Bundle
 * Bandicoot Bundle
 * Travis Bundle

Lite

 * Power, Wisdom and Courage Bundle
 * Reshiram & Zekrom Bundles (includes a special Reshiram black back colored & white color/Zekrom white back colored & black color handheld and the game itself, being Pokémon Darkness Black/Brighter White)
 * Let's Go Johto Bundles (includes a yellow/brown handheld and the game itself, being Pokémon Let's Go Johto)

Trivia
TBA