Join our Discord to chat with fellow friendly gamers and our knowledgeable contributors!

Not an American user?


Your job is to basically find the end-of-level boss, and then defeat it to obtain the key that will open the level exit, but your task is made difficult by the planet's inhabitants. Get the jet-pack to make it easier to navigate the level and shoot any inhabitants that get in the way. These inhabitants will leave behind something that you can get to increase your score, and the inhabitants will eventually regenerate. If any one of them touches you while you have the jet-pack, you land on the ground or the nearest platform, and have to get it again; and the same rule applies to the key.


Quartet Arcade Well Done.
Quartet Commodore 64 Killed by an inhabitant
Quartet Commodore 64 Title
Quartet SEGA Master System Get the key to unlock the exit

Promo Images

Quartet Other
Quartet Other
Quartet Other
Quartet Other

Alternate Titles

  • "ダブルターゲット シンシアの眠り" -- Japanese SEGA Master System spelling
  • "Quartet 2" -- Arcade 2 player version title
  • "Mobile Quartet" -- Mobile Sega Ages title
  • "Double Target: Cynthia no nemuri" -- Japanese SEGA Master System title
  • "Double Target" -- Japanese SEGA Master System in-game title
  • "カルテット" -- Japanese spelling

Part of the Following Group

User Reviews

Quartet? More like Duet? SEGA Master System James Evans (41)

Critic Reviews

Sega Does SEGA Master System Dec 14, 2014 B 75
Complete Guide to Consoles SEGA Master System Nov, 1990 64 out of 100 64
Mean Machines SEGA Master System Oct, 1992 64 out of 100 64
S: The Sega Magazine SEGA Master System Nov, 1990 60 out of 100 60
Your Sinclair ZX Spectrum Jul, 1990 39 out of 100 39
Happy Computer Commodore 64 Aug, 1987 37 out of 100 37
Computer and Video Games (CVG) ZX Spectrum Aug, 1987 3 out of 10 30
Sega Pro (UK) SEGA Master System Apr, 1993 25 out of 100 25
Commodore Force Commodore 64 Aug, 1993 24 out of 100 24
Computer and Video Games (CVG) Commodore 64 Jun, 1990 23 out of 100 23


There are currently no topics for this game.


There is no trivia on file for this game.

Related Web Sites

Contributed to by Martin Smith (70038), Pseudo_Intellectual (62813) and Katakis | カタキス (41526)