Viper Patrol & Rod's Revenge

Viper Patrol and Rod's Revenge is a set of two space-themed arcade games for the Apple II

Viper Patrol is a re-release of One World. - You are the last fighter of the Viper Patrol. Stranded in space, you must make your way back to Earth while defeating waves of alien alien attackers.

The player controls a spaceship on the right of the screen that can move in all directions, and fires horizontally to the left. The player must battle large groups of enemy vessels, with the goal of each stage being to reach the the left side of the screen. The player does not need to destroy all enemy vessels to progress to the next level. If the player is struck by enemy fire they lose a ship. On each level, the player is limited by fuel supply which controls the time to complete each level. The player starts with 25 lives, and gains another ship for each level completed. There are a total of 15 levels to complete.

In Rod's Revenge - The player has remote control over the armed HR patrol pod, tasked with patrolling the territory of Quadrant 0326. Intruding Shellbugs want to take over the quadrant. A creature named Rod has sent the Shellbugs as his revenge.

Gameplay occurs on a large grid with numerous pillars blocking the player's path. The player can move and fire the 4 cardinal directions. Moving round enemies with smiley faces attempt to hunt down and shoot the player. The player must avoid enemy fire, and progresses to the next stage when all creatures are destroyed. The player starts with 3 lives, and is awarded an additional life for each level completed.