Dragon Buster © 1985 Namco.
Dragon Buster is a role-playing game in which you travel through various scenery to rescue the princess from an evil dragon.
Game ID : DB
Main CPU : Motorola M6809 (@ 1.536 Mhz), Hitachi HD63701 (@ 1.536 Mhz)
Sound Chips : Namco 8-channel WSG
Players : 2
Control : 4-way joystick
Buttons : 2
Even if the title screen says 1984, Dragon Buster was released in February 1985 in Japan.
Dragon Buster is the first game from Namco to include a life-bar system.
Massimo Gaspari holds the official record for this game with 1,300,560 points on July 18, 1985.
Namco released a board game based on this game (same name) in 1985 (in Japan only) : You roll the dice to move around the board and complete quests. The game includes a variety of event cards, charts for randomizing events and encounters, counters for monsters and items and such. The goal of this game is to kill the dragon and rescue the princess.
Nintendo Famicom (jan.7, 1987) 
Sony PlayStation (1996) Namco Museum Vol.2 Sony PlayStation (feb.9, 1996) Namco Museum Vol.2 [Model SLPS-00210] 
Sony PlayStation (sept.30, 1996) Namco Museum Vol.2 [Model SLUS-00216] 
Sony PlayStation (nov.1996) Namco Museum Vol.2 [Model SCES-00267] Microsoft XBOX 360 (nov.4, 2008) Namco Museum - Virtual Arcade [Model 21022] Microsoft XBOX 360 (may.15, 2009) Namco Museum - Virtual Arcade Microsoft XBOX 360 (june.3, 2009) Namco Museum - Virtual Arcade Nintendo Wii [Virtual Console Arcade] (sept.15, 2009) Microsoft XBOX 360 (nov.5, 2009) Namco Museum - Virtual Arcade [Model 2RD-00001] Sony PSP (aug.23, 2005) Namco Museum Battle Collection [Model ULUS-10035] Sony PSP (dec.9, 2005) Namco Museum Battle Collection [Model UCES-00116] Sony PSP (feb.23, 2006) Namco Museum Vol.2 [Model ULJS-00047] 
Sony PSP (nov.8, 2007) Namco Museum Vol.2 FM-77AV (1987) NEC PC 8801 (1987) NEC PC 9801 (mar.1989) Sharp X68000 (1993) Sharp X1 MSX2 Let's! TV play classic series - Namco Nostalgia 2 Arcade (2018) "Pac-Man's Pixel Bash"