This game provides examples of
- Difficulty by Acceleration: As the levels progress, the enemy aircraft becomes faster and harder to shoot down.
- Difficulty Levels: Easy and hard mode for one or two players.
- Endless Game: You play until you run out of helicopters.
- Enemy-Detecting Radar: Similar to Defender
- Recycled In Space: It's Defender set in the modern-day world.
- Scoring Points: Not only for shooting down enemy aircraft, but also bonus points for each truck that survives a wave.
- Shoot 'em Up: Similar to Defender.