Sega Master System

300 games (licensed only)

• 
  Gain Ground

  1990
• 
  Galactic Protector

  1988
• 
  Galaxy Force

  1989
• 
  Game Box Série Esportes Radicais

  1996
• 
  Gangster Town

  1987
• 
  Gauntlet

  1985
• 
  George Foreman's KO Boxing

  1992
• 
  Geraldinho

  1995
• 
  Ghost House

  1986
• 
  Ghostbusters

  1984
• 
  Ghouls 'n Ghosts

  1991
• 
  Global Defense

  1987
• 
  Gokuaku Doumei Dump Matsumoto

  1986
• 
  Golden Axe

  1989
• 
  Golden Axe Warrior

  1991
• 
  Golfamania

  1990
• 
  Golvellius: Valley of Doom

  1987
• 
  GP Rider

  1990
• 
  Great Baseball

  1985
• 
  Great Basketball

  1987
• 
  Great Football

  1987
• 
  Great Golf

  1987
• 
  Great Ice Hockey

  1986
• 
  Great Soccer

  1985
• 
  Great Volleyball

  1987
• 
  Hang-On

  1985
• 
  High School Kimengumi

  1987
• 
  Hokuto no Ken

  1986
• 
  Home Alone

  1992
• 
  Hoshi wo Sagashite...

  1988