Job of last resort or a hobby. If you have a passion and a good idea you can be moderately successful in the indie scene (and there are always outliers like Not

Job of last resort or a hobby. If you have a passion and a good idea you can be moderately successful in the indie scene (and there are always outliers like Notch or Concerned Ape) but I wouldn't quit your day job to pursue that until there's some evidence of market interest in the game you're making.