Question: What system did Krome Studios Melbourne make a side scrolling combat game for in 1985

Context paragraphs:
Krome Studios Melbourne: Krome Studios Melbourne, originally Beam Software, was an Australian video game development studio founded in 1977 by Alfred Milgrom and Naomi Besen and based in Melbourne, Australia.  The studio operated independently from 1988 until 2000, when it was acquired by Infogrames, who changed the name to Melbourne House.  In 2006 the studio was sold to Krome Studios.

Full House Poker: Full House Poker is a video game poker variant Texas hold 'em developed by Microsoft Games Studios and Krome Studios, published by Microsoft Games Studios and was released for Xbox 360 as an Xbox Live Arcade title and Windows Phone 7 on March 16, 2011.  The game is the spiritual successor to "1 vs. 100" and features scheduled tournaments known as "Texas Heat".  Full House Poker also offers TV-style live poker events with season-long tournaments and more traditional Texas Hold Em' matchups with up to 30 human or computer-controlled players.

Bazooka Bill: Bazooka Bill is a side scrolling combat game created by Melbourne House (Australia) in 1985 for the Commodore 64.  It was also ported to the ZX Spectrum.  The game starts off with a soldier known as Bazooka Bill on a mission to rescue General Douglas MacArthur who has been kidnapped by a nasty revolutionary faction.

Viva Piñata: Party Animals: Viva Piñata: Party Animals is a video game developed by Krome Studios for the Microsoft Xbox 360 video game console and set in the world of "Viva Piñata".  The game was first announced at Microsoft's E3 2007 press conference on July 11, 2007, and was released on October 30, 2007 in North America, November 15, 2007 in Australia, November 16, 2007 in Europe, and December 6, 2007 in Japan.

Ty the Tasmanian Tiger 3: Night of the Quinkan: Ty the Tasmanian Tiger 3: Night of the Quinkan is the third installment of the video game series, "Ty the Tasmanian Tiger".  It is the only game in the series to be published by Activision, instead of Electronic Arts which published the game's two predecessors.  It was developed by Krome Studios and was released for PlayStation 2, GameCube, Xbox and Game Boy Advance.  It was released in North America on October 11, 2005 for Xbox, October 12, 2005 for PlayStation 2 and GameCube and November 1, 2005 for Game Boy Advance.  On February 3, 2006, the game was released in limited quantities in PAL regions only for PlayStation 2 and Xbox.  The game is also the last in the series to be physically released.

The Dame Was Loaded: The Dame Was Loaded is a first-person point-and-click adventure game for the PC platform created by Australian developer Beam Software (now Krome Studios Melbourne) first published in 1995 by Philips Interactive Media domestically then in 1996 worldwide.  The game is a detective film noir set in the 1940s and combined live action cinematic's with pre-rendered point-and-click gameplay much like previous games in the genre like "Under a Killing Moon" and "Myst".  The live action was produced by Vixen Films, director Jo Lane, and was at the time the largest multimedia production ever made in Australia.

Ty the Tasmanian Tiger: Ty the Tasmanian Tiger is a platform video game for the PlayStation 2, Xbox, GameCube and Microsoft Windows developed by Krome Studios and published by Electronic Arts.  It was released in North America on September 10, 2002 and later released in PAL regions on November 22, 2002.  The Windows version was published by Krome Studios and released worldwide via Steam on March 21, 2016.

Electro Brain: Electro Brain was a United States video game company.  They brought over "" for the Nintendo 64, as well as published games like "Go!  Go!  Tank", on the Nintendo Game Boy, "Super Cars" and "Ghoul School" for the Nintendo Entertainment System, "Vortex" and "Jim Power: Lost Dimension in 3D" for the Super Nintendo Entertainment System, and "Brain Battler", "Brain Bender", "Daffy Duck: Fowl Play", "Go!  Go!  Tank and Kingdom Crusade" for the Game Boy and Game Boy Color.  They only developed one game, Trax, a side scrolling shooting game, on the Nintendo Game Boy in 1991.  In 1998, Electro Brain filed for bankruptcy and closed down after the company published their last two games, which were on the Nintendo 64, Star Soldier: Vanishing Earth, and Dual Heroes, that failed to gain revenue for the unsuccessful company.

Krome Studios: Krome Studios Pty Ltd. is an Australian video game company.  Its headquarters were in Brisbane and it previously had offices in Adelaide and Melbourne.  Krome Studios is best known for their "Ty the Tasmanian Tiger" games and for their reboot of the "Spyro the Dragon" franchise.  The company was founded in 1999 by Robert Walsh, who is the current CEO, Steve Stamatiadis, the creative director and John Passfield, the design director who left the company in 2005.  Krome has created games for the Xbox, Nintendo GameCube, Wii, Game Boy Advance, Dreamcast, PlayStation, PlayStation 2, Macintosh and PC.  Krome has also developed for Xbox 360, PlayStation 3, Wii, PlayStation Portable, Windows Phone 7, iOS and Windows 8.

Transformers: Revenge of the Fallen (video game): Transformers: Revenge of the Fallen is a 2009 third-person shooter video game based on the 2009 live action film "".  The PlayStation 3 and Xbox 360 versions were developed by Luxoflux, and ported to the Microsoft Windows by Beenox.  The PlayStation 2 and Wii versions were developed by Krome Studios, and the PlayStation Portable version was developed by Savage Entertainment.  The game was released on June 23, 2009, one day before the film's release in the United States.  Australia received the game one day later, and Europe on June 26, 2009.

Supporting paragraphs: Bazooka Bill Krome Studios Melbourne
Answer: Commodore 64