Alien Gate is a classic shooter video game developed specifically for the Philips CD-i platform. Released in 1993, Alien Gate features a fixed-screen shooting experience where players defend against waves of alien enemies. It boasts colorful graphics true to its era, and provides a challenging arcade-style gameplay that was popular during the early 90s. The game invites players to navigate through numerous levels, each with unique enemies and obstacles, culminating in engaging boss fights.