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Bonanza Bros.

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Mobo and Robo Bonanza are enjoying their favorite television show when the picture crackles and a shadowy figure of a mysterious stranger appears on screen. This figure asks them to collect certain items that he has placed inside various buildings to test his security force. If they return the items successfully, Mobo and Robo will be rewarded. The two of them state that they will get the job done in just three minutes. However, little do they know that each building is packed with security guards who will raise the alarm if they are caught red-handed. Fortunately both Mobo and Robo are equipped with bullets that can knock the guards unconscious for a few seconds. An $100 reward will be given out if Mobo and Robo are apprehended.

As either Mobo or Robo, you must collect all the treasures before leaving the ten buildings and shoot any security guards that get in your way. Remember that you are under a time limit. An in-game map will help you locate the treasures. There is a bonus stage after three buildings, where the object is to collect the gold bars in a limited amount of time without one of the three spotlights shining on you. If it is possible, hide behind open doors. If you manage to get all the gold bars, 10,000 points is added to your score. There are three of these bonus stages, but each of them varies.


Bonanza Bros. SEGA Master System Knocked out a guard
Bonanza Bros. Genesis Stage 4: Mint
Bonanza Bros. SEGA Master System Stage 7: Laboratory
Bonanza Bros. Amstrad CPC Stage 10

Alternate Titles

  • "Bonanza Brothers " -- US Genesis title
  • "ボナンザ ブラザーズ" -- Japanese spelling

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User Reviews

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Critic Reviews

Ação Games SEGA Master System Feb, 1992 4 Stars4 Stars4 Stars4 Stars 100
GameFan Magazine TurboGrafx CD Jan, 1993 83 out of 100 83
Computer and Video Games (CVG) Amiga Feb, 1992 82 out of 100 82
Eurogamer.net (UK) Wii May 25, 2007 8 out of 10 80
Datormagazin Amiga Apr 23, 1992 75 out of 100 75
All Game Guide Genesis 1999 3.5 Stars3.5 Stars3.5 Stars3.5 Stars3.5 Stars 70
Amiga Format Amiga Feb, 1992 70 out of 100 70
Amiga Joker Amiga Mar, 1992 42 out of 100 42
Digital Press - Classic Video Games Genesis Dec 10, 2003 4 out of 10 40
Play Time Commodore 64 Sep, 1992 35 out of 100 35


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Contributed to by Corn Popper (69555), chirinea (35989), --x-- (58546), Foxhack (12652), Kabushi (143196), Martin Smith (63028), Terok Nor (21023) and *Katakis* (37914)