Popular games published by company General Masters Corp.

Planet of Crawlers is a 1-player science fiction themed arcade game for the Apple II. The player controls a spaceship on the bottom of the screen which moves horizontally and can fire vertically. The player has to avoid mushrooms, as well as a white and orange spiders. The spiders move towards the player, bouncing off the edges of the play area. The white spider moves more vertically, while the red one prefers a larger angle. These identical two monsters appear repeatedly. The player has 20 ships, and it's game over when all are lost. the player is awarded points for spiders killed.
Monolithic Laser is a Space Invaders clone. The player shoots alien vessels to try to stop an alien invasion. The player controls a small space ship in the bottom half of the screen which can move in 4 cardinal directions. Moving left to right on the top half of the screen are the invading alien vessels, which fire randomly upon the defending player. If your ship is hit, it is destroyed. When the player has destroyed all ships, they move to a higher difficulty level with faster moving ships that fire more frequently. The player has a total of 3 lives. When all are lost, it's game over.

The player controls a small character, which can move horizontally on the bottom of the screen and fire vertically. In the background, an animated castle, dragon, and house can be seen. On each stage, a man on horseback, an alligator, and 4 birds which scroll horizontally across the screen appear. These creatures fire upon the player, and the player must avoid incoming shots. If the player shoots all four creatures, the player advances to the next stage, which is identical to the previous. The player has a total of 3 lives, and when all are list, it's game over.