Butt-Ugly Martians - B.K.M. Battles
A landmark action game for the Game Boy Advance, Butt-Ugly Martians - B.K.M. Battles combines tight controls with engaging gameplay. Its enduring appeal lies in the perfect balance of challenge and reward.
- Developer
- Runecraft
- Released
- 2002
- Platform
- GBA
- Genre
- Action
- Rating
- 4.3 / 5 (575)
- Last updated
Butt-Ugly Martians - B.K.M. Battles Controls — GBA Keyboard Keys
Default keyboard bindings for Butt-Ugly Martians - B.K.M. Battles on our in-browser GBA 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) |
| Q | L | Left shoulder |
| W | R | Right shoulder |
| 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.
Butt-Ugly Martians - B.K.M. Battles Longplay & Gameplay Videos
Watch a full playthrough of Butt-Ugly Martians - B.K.M. Battles on GBA before you dive in — recommended for getting a feel for the game's pacing, story beats, and difficulty curve.
Watch longplay on YouTube
"Butt-Ugly Martians - B.K.M. Battles" GBA longplay 2002
Butt-Ugly Martians - B.K.M. Battles Cheat Codes
4 community-curated cheats for Butt-Ugly Martians - B.K.M. Battles. Tick any to activate them automatically when you click "Play with cheats" — or copy a code into your own emulator.
-
Enable Code (Must Be On)
0000023F+000A+10028720+0007 -
Infinite Stealth
33002B7F+0002 -
Infinite Turbo
33002B85+0002 -
Press Select+L To Complete Level
74000130+01FB+82000610+0026+74000130+01FB+82000626+0001
External references
Frequently Asked Questions
When was Butt-Ugly Martians - B.K.M. Battles released?
Butt-Ugly Martians - B.K.M. Battles was released in 2002 for the GBA.
Who developed Butt-Ugly Martians - B.K.M. Battles?
Butt-Ugly Martians - B.K.M. Battles was developed by Runecraft, available to play in your browser on RetroGameSpace.
What type of game is Butt-Ugly Martians - B.K.M. Battles?
Butt-Ugly Martians - B.K.M. Battles is a Action game for the GBA, playable instantly in your browser — no downloads, no installs.
How can I play Butt-Ugly Martians - B.K.M. Battles for free?
Open this page and click "Play Now" — Butt-Ugly Martians - B.K.M. Battles runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Butt-Ugly Martians - B.K.M. Battles in the browser?
No. Butt-Ugly Martians - B.K.M. Battles streams from a public archive into a browser-side GBA emulator. Nothing is installed on your computer.
Can I save my progress in Butt-Ugly Martians - B.K.M. Battles?
Yes. Save states are stored in your browser (IndexedDB) per game, and you can also use any in-game save the original GBA cartridge supported.
Does Butt-Ugly Martians - B.K.M. Battles work on mobile devices?
Yes — the GBA emulator runs on iOS Safari and Android Chrome. Touch controls overlay the game; landscape mode is recommended.
Is it legal to play Butt-Ugly Martians - B.K.M. Battles this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Butt-Ugly Martians - B.K.M. Battles. 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.
