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Alien 3
Developed by Probe Software in 1993, Alien 3 is a single-player action game for the NES based on the film of the same name. Players control Ripley as she navigates alien-infested facilities, fighting back with various weapons and melee attacks. The game is structured as a side-scrolling action experience with exploration elements, where players must defeat enemies while managing health and ammunition. Each level contains multiple pathways and enemy types, including aliens and face-huggers, with difficulty escalating throughout the campaign. Standard NES controls handle movement and actions like jumping and attacking. Boss encounters mark the conclusion of each level, requiring players to employ strategy and weapon selection to succeed. The game focuses entirely on combat and survival mechanics.
- Developer
- Probe Software
- Released
- 1993
- Platform
- NES
- Genre
- Action
- Players
- 1P
- Rating
- 4.8 / 5 (1.2K)
- Last updated
Alien 3 Controls — NES Keyboard Keys
Default keyboard bindings for Alien 3 on our in-browser NES 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 |
|---|---|---|
| ↑ | D-Pad Up | Move up |
| ↓ | D-Pad Down | Move down |
| ← | D-Pad Left | Move left |
| → | D-Pad Right | Move right |
| X | A | Primary action (jump / confirm) |
| Z | B | Secondary action (attack / cancel) |
| Enter | Start | Start / Pause |
| Shift | Select | Select / Mode |
Rebind any key from the EmulatorJS in-game settings menu (gear icon → Controls). A connected gamepad auto-maps to the same buttons.
Alien 3 Longplay & Gameplay Videos
Watch a full playthrough of Alien 3 on NES before you dive in — recommended for getting a feel for the game's pacing, story beats, and difficulty curve.
Watch longplay on YouTube
"Alien 3" NES longplay 1993
Alien 3 Cheat Codes
30 community-curated cheats for Alien 3. Tick any to activate them automatically when you click "Play with cheats" — or copy a code into your own emulator.
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Super Jump
IPUZTALA+IPUXPALA -
Invincible against long falls
AASGKNYA -
Always have radar
NNKVNPAE -
Infinite Radar
SZVXVXVK -
Infinite tries
SZKVZXVK -
Invincibility
SXOPNKVK+YEKVUPGV+YESIGIGV03C8:4A -
Infinite Energy
SXUYUXSE074A:12 -
Infinite Ammo Machine gun
SXXSNKVK -
Infinite Ammo Grenade Launcher
SZVSSKVK -
Infinite Ammo Grenade Launcher 2
SZKLVSVK -
Infinite Ammo Flame Thrower
SZEIUOVK -
Gun Heat
SXOSNKVT
Show 18 more cheats Show fewer
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Infinite Time
SUEUTXSO -
Infinite Weapon 1
074B:3F -
Infinite Weapon 2
074C:20 -
Infinite Weapon 3
074E:1C -
Infinite Weapon 4
074D:32 -
Rescue All Now
0747:00 -
Weapon 1 Keeps Firing Constantly
0749:01 -
Level Skip
TUVUYLZG -
Time Modifier
0742:00+0743:00+0744:00 -
Level Modifier
00A8:00 -
Guardian 1 Hit Kills
03A6:00+03A7:00 -
Turn Ladder On Wherever
0094:9B -
Walk Through Walls
04C0:04 -
Infinite Lives
07FE:09 -
Infinite Health
074A:1F -
Infinite Ammo (Primary Weapon)
074B:58 -
Gun Never Overheats
0749:00 -
Infinite Time (Ten's Digit)
0743:09
External references
Frequently Asked Questions
When was Alien 3 released?
Alien 3 was released in 1993 for the NES.
Who developed Alien 3?
Alien 3 was developed by Probe Software, available to play in your browser on RetroGameSpace.
How many players does Alien 3 support?
Alien 3 is a single-player Action game for the NES.
What type of game is Alien 3?
Alien 3 is a Action game for the NES, playable instantly in your browser — no downloads, no installs.
How can I play Alien 3 for free?
Open this page and click "Play Now" — Alien 3 runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Alien 3 in the browser?
No. Alien 3 streams from a public archive into a browser-side NES emulator. Nothing is installed on your computer.
Can I save my progress in Alien 3?
Yes. Save states are stored in your browser (IndexedDB) per game, and you can also use any in-game save the original NES cartridge supported.
Does Alien 3 work on mobile devices?
Yes — the NES emulator runs on iOS Safari and Android Chrome. Touch controls overlay the game; landscape mode is recommended.
Is it legal to play Alien 3 this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Alien 3. 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.
