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Contra - The Alien Wars
魂斗罗：The Alien Wars
Contra - The Alien Wars is a side-scrolling action shooter developed by Konami and released in 1994 for the Game Boy. Players control a well-armed commando fighting against alien invaders across multiple stages. The game features continuous run-and-gun gameplay where the commando moves left and right, jumping over obstacles and gaps while shooting enemies in all directions. Power-ups appear throughout levels, providing temporary weapon enhancements like spread shots and rapid fire. The control scheme uses directional buttons for movement and separate buttons for jumping and firing. The game progresses through distinct themed levels, each with increasing difficulty and varied enemy placements. Boss encounters punctuate the end of major stages, requiring pattern recognition and precise gunfire to defeat.
- Developer
- Konami
- Released
- 1994
- Platform
- Game Boy
- Genre
- Shooter
- Players
- 1P
- Rating
- 4.6 / 5 (582)
- Last updated
Contra - The Alien Wars Controls — Game Boy Keyboard Keys
Default keyboard bindings for Contra - The Alien Wars on our in-browser Game Boy 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.
Contra - The Alien Wars Longplay & Gameplay Videos
Watch a full playthrough of Contra - The Alien Wars on Game Boy before you dive in — recommended for getting a feel for the game's pacing, story beats, and difficulty curve.
Watch longplay on YouTube
"Contra - The Alien Wars" Game Boy longplay 1994
Contra - The Alien Wars Cheat Codes
30 community-curated cheats for Contra - The Alien Wars. Tick any to activate them automatically when you click "Play with cheats" — or copy a code into your own emulator.
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Start With Flame Thrower
017-97B-E6A -
Start With Crush Gun
077-97B-E6A -
Start With Homing Shot
087-97B-E6A -
Start With Spread Shot
097-97B-E6A -
Get 5 Smart Bombs After You Die
052-B1B-E6E -
Get 9 Smart Bombs After You Die
092-B1B-E6E -
Infinite Smart Bombs
007-E2C-19E -
Don't Flash After Getting Hit
010-6FB-7FB -
Flash Longer After Getting Hit
FF0-6FB-7FB -
Invincible
3EB-81B-4CA -
Infinite Lives
0109D8C10103D8C1008-0DC-19E -
Infinite Bombs
0109DAC1
Show 18 more cheats Show fewer
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Infinite Continues
0109DBC1002-CCF-19E -
Difficulty Modifier
010?D6C10100D6C1 -
Invincibility
01FFF2D6 -
Always Have Gun
010?6AC5 -
Always Play (Sound Test)
01?7CD701007CD7 -
Tank Invisible
01FFF5D6 -
Gun Modifier
01006AC5 -
Hit Anywhere
003-82E-C43+003-77E-B3F+003-C3E-3B2+003-87E-F7F+003-7CE-A2B -
Invulnerability
18B-81B-4CA -
Start on Stage ??
017-92B-E6A -
Stage Modifier
0100D7C1 -
Game Palette Setting
00C-F7E -
Fall Speed Modifier (Lower values yield slower falls)
61B-2AA -
Disable Enemies And Power-ups
FED-A3F-C45 -
Jump Height Modifier
47B-C49 -
Start with Flame Thrower after Dying
012-B6B-E6A -
Start with Crush Gun after Dying
072-B6B-E6A
External references
Frequently Asked Questions
When was Contra - The Alien Wars released?
Contra - The Alien Wars was released in 1994 for the Game Boy.
Who developed Contra - The Alien Wars?
Contra - The Alien Wars was developed by Konami, available to play in your browser on RetroGameSpace.
How many players does Contra - The Alien Wars support?
Contra - The Alien Wars is a single-player Shooter game for the Game Boy.
What type of game is Contra - The Alien Wars?
Contra - The Alien Wars is a Shooter game for the Game Boy, playable instantly in your browser — no downloads, no installs.
How can I play Contra - The Alien Wars for free?
Open this page and click "Play Now" — Contra - The Alien Wars runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Contra - The Alien Wars in the browser?
No. Contra - The Alien Wars streams from a public archive into a browser-side Game Boy emulator. Nothing is installed on your computer.
Can I save my progress in Contra - The Alien Wars?
Yes. Save states are stored in your browser (IndexedDB) per game, and you can also use any in-game save the original Game Boy cartridge supported.
Does Contra - The Alien Wars work on mobile devices?
Yes — the Game Boy emulator runs on iOS Safari and Android Chrome. Touch controls overlay the game; landscape mode is recommended.
Is it legal to play Contra - The Alien Wars this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Contra - The Alien Wars. 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.
