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Aliens
异形战
Aliens is a 2-player arcade shooter developed by Konami in 1990. Players control soldiers fighting extraterrestrial creatures across multiple stages. The game features side-scrolling action with run-and-gun mechanics, allowing players to move freely and aim at enemies on screen. Characters can collect power-ups to enhance weapons and gain temporary shields. Players progress through successive levels filled with alien enemies and environmental obstacles. The controls are responsive, utilizing joystick movement and fire buttons for combat. Aliens supports simultaneous two-player cooperative gameplay, enabling teamwork against waves of hostile creatures throughout the campaign.
- Developer
- Konami
- Released
- 1990
- Platform
- Arcade
- Genre
- Shooter
- Players
- 2P
- Rating
- 4.5 / 5 (3.5K)
- Last updated
Aliens Controls — Arcade Keyboard Keys
Default keyboard bindings for Aliens on our in-browser Arcade emulator. Plug in a USB or Bluetooth gamepad to auto-detect mappings, or rebind any key from the emulator settings menu.
| Keyboard | Console button | Typical use |
|---|---|---|
| ↑ | Joystick Up | Move up |
| ↓ | Joystick Down | Move down |
| ← | Joystick Left | Move left |
| → | Joystick Right | Move right |
| X | Button 1 | Primary action (jump / confirm) |
| Z | Button 2 | Secondary action (attack / cancel) |
| S | Button 3 | Tertiary action |
| A | Button 4 | Quaternary action |
| Q | Button 5 | Fifth button |
| W | Button 6 | Sixth button |
| 5 | Insert Coin | Insert coin |
| 1 | 1P Start | Start / Pause |
Coin and Start are convention "Insert Coin: 5" and "1P Start: 1". Some arcade boards expect specific button mappings — check the in-game prompts on coin-up.
Rebind any key from the EmulatorJS in-game settings menu (gear icon → Controls). A connected gamepad auto-maps to the same buttons.
Aliens Longplay & Gameplay Videos
Watch a full playthrough of Aliens on Arcade before you dive in — recommended for getting a feel for the game's pacing, story beats, and difficulty curve.
Watch longplay on YouTube
"Aliens" Arcade longplay 1990
External references
Frequently Asked Questions
When was Aliens released?
Aliens was released in 1990 for the Arcade.
Who developed Aliens?
Aliens was developed by Konami, available to play in your browser on RetroGameSpace.
How many players does Aliens support?
Aliens supports up to 2 players, ideal for couch co-op or competitive sessions on the Arcade.
What type of game is Aliens?
Aliens is a Shooter game for the Arcade, playable instantly in your browser — no downloads, no installs.
How can I play Aliens for free?
Open this page and click "Play Now" — Aliens runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Aliens in the browser?
No. Aliens streams from a public archive into a browser-side Arcade emulator. Nothing is installed on your computer.
Can I save my progress in Aliens?
Yes. Save states are stored in your browser (IndexedDB) per game, and you can also use any in-game save the original Arcade cartridge supported.
Does Aliens work on mobile devices?
Yes — the Arcade emulator runs on iOS Safari and Android Chrome. Touch controls overlay the game; landscape mode is recommended.
Is it legal to play Aliens this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Aliens. Game files are fetched on demand from publicly-accessible archives. You are responsible for compliance with your local laws and the bring-your-own-ROM principle.