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Astrians (clone of Swarm) [Bootleg]
Astrians (clone of Swarm) [Bootleg] is an unlicensed 1982 arcade fixed shooter game, developed and distributed by unregistered bootleg game studios as a direct clone of Gremlin Industries’ hit 1982 arcade title Swarm. During the golden age of arcade gaming in the early 1980s, bootleg copies of popular titles were extremely common across global arcades, as small operators sought to avoid expensive official licensing fees while still offering the hottest gameplay experiences to their customers. Unlike many low-quality bootlegs of the era, Astrians retains nearly all core mechanics of the original Swarm, with only minor adjustments made to enemy movement speed, scoring multipliers, and visual sprite details to avoid immediate copyright claims. In Astrians, players take control of a small, maneuverable starfighter positioned at the bottom of a fixed black screen, facing off against waves of incoming alien fleets (dubbed “Astrians”) that move in synchronized, shifting formation across the u

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How to Play Astrians (clone of Swarm) [Bootleg]
Save & Load States
- F2Press F2 to save your current game state at any time.
- F4Press F4 to load your last saved state.
- F3Use F3 to switch between save slots.
Save states are stored locally in your browser. They persist across sessions but are cleared if you clear browser data.
Customize Controls
Click the gear icon on the emulator toolbar → "Controls" to remap keys.
Default layout for ARCADE. Remap in emulator settings.
About Astrians (clone of Swarm) [Bootleg]
Astrians (clone of Swarm) [Bootleg] is a classic ARCADE game you can play online for free in your browser. No download or installation is required — click "Play Now" to start instantly. Relive the experience of vintage console gaming with authentic gameplay, right in your browser on any device.
This title is part of the PLAYERETRO game collection, which features over 1000 classic titles across multiple systems. Use the keyboard controls shown above to move and interact. Save your progress with save states and enjoy Astrians (clone of Swarm) [Bootleg] anytime, anywhere.
Play Astrians (clone of Swarm) [Bootleg] online for free on PLAYERETRO. Enjoy this challenging 1982 unlicensed arcade fixed shooter, a fast-paced twist on classic Swarm gameplay with higher difficulty