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Play Custom Robo GX (Japan edition) Online
Custom Robo GX
Play Custom Robo GX online. This is a Game Boy Advance game where you can enjoy 2D Zero G Robo Battle and parts customization.
Browser play

Game Boy Advance (GBA) — EmulatorJS controls
Default Player 1 keyboard mapping. Change keys in Controller Settings.
| Console button | Keyboard |
|---|---|
| ↑ / ↓ / ← / → | ↑ / ↓ / ← / → |
| A / B | Z / X |
| L / R | Q / E |
| START / SELECT | Enter / V |
Open Controller Settings to configure your keyboard or gamepad. Touch controls are available on mobile.
How to Play Custom Robo GX
Quick start
Select "Scenario" from the main menu. At home, select the option below, go to the living room, receive the X-Ray and basic parts, and complete the eye scan registration. Move the map to the right, press A to enter the robot station, and try out each weapon and dash in a training battle with Yusuke.
Controls
Select the menu with the four-way controller, confirm with A, and cancel with B. Standard battle operations are cross key movement, A dash, B gun (α shot), R bomb, L sub weapon, R + B for β shot, L + R for action chip, START for system menu. You can change the layout to a different or custom layout in Options.
Cheats
No cheats have been added for this edition.
Player verification and sources
Browser play was reviewed before this edition was published in the catalogue. The date below is the catalogue publication date, not the game’s original release date.
- Browser test and catalogue publication date
- Browsers and devices
- PC: Chrome, Edge and Firefox. Mobile: Chrome on Android and Safari on iPhone and iPad.
- Player engine and core
- EmulatorJS 4.3.0-pre · gba
- Tested by
- rwEmulator
Sources and editorial basis
rwEmulator reviews edition metadata, release information, game manuals and first-hand browser-play notes. Available manuals are linked below; the editorial policy explains how facts are checked and corrections are handled.