M2

M2 (有限会社Ｍ２(エムツー) is a Japanese video game developer, best known for handling emulation of re-released games, such as some Sega Ages titles and Wii Virtual Console titles. M2 has spent much of their recent time working for Konami, creating not only arcade compilations, but also an entirely new set of games for WiiWare (sometimes with the guidance of series veterans), under the ReBirth moniker.

DS

 * Konami Classics Series: Arcade Hits (Publisher: Konami)
 * Namco Museum DS (Publisher: Namco Bandai)

Game Gear

 * Gunstar Heroes (Publisher: Sega)

PlayStation 2

 * Sega Ages 2500 Series Vol. 20: Space Harrier II: Space Harrier Complete Collection (Publisher: Sega)
 * Sega Ages 2500 Series Vol. 21: SDI & Quartet: Sega System 16 Collection (Publisher: Sega)
 * Sega Ages 2500 Series Vol. 24: Last Bronx: Toukyou Bangaichi (Publisher: Sega)
 * Sega Ages 2500 Series Vol. 25: Gunstar Heroes: Treasure Box (Publisher: Sega)
 * Sega Ages 2500 Series Vol. 28: Tetris Collection (Publisher: Sega)
 * Sega Ages 2500 Series Vol. 29: Monster World Complete Collection (Publisher: Sega)
 * Sega Ages 2500 Series Vol. 30: Galaxy Force II: Special Extended Edition (Publisher: Sega)
 * Sega Ages 2500 Series Vol. 31: Dennou Senki Virtual On (Publisher: Sega)
 * Sega Ages 2500 Series Vol. 32: Phantasy Star Complete Collection (Publisher: Sega)
 * Sega Ages 2500 Series Vol. 33: Fantasy Zone Complete Collection (Publisher: Sega)
 * Sega Rally 2006 (Publisher: Sega)

PlayStation Portable

 * Salamander Portable (Publisher: Konami)
 * TwinBee Portable (Publisher: Konami)

Wii

 * Virtual Console - Mega Drive, Master System, MSX, Arcade (Sega)

WiiWare

 * Gradius ReBirth (Publisher: Konami)
 * Contra ReBirth (Publisher: Konami)
 * Castlevania: The Adventure ReBirth (Publisher: Konami)

Xbox 360

 * Otomedius G (Publisher: Konami)
 * Mushihime-sama Futari (Publisher: CAVE)