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Play Denki Blocks! (Japan edition) Online
Denki Blocks!
Play Denki Blocks! online. This is a GBA slide puzzle where you combine Gumblocks of the same color to create specified groups and shapes.
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 Denki Blocks!
Quick start
First, choose a language, decide on a character and name, and create a character file for saving. Select "SOLO GAMES" and then "Tournament" in Mode Selection. When you press the cross button, Gumblocks on the board will slide at the same time, and if they touch each other, they will combine. Solve 15 of the 25 questions prepared by each opponent and aim to win the trophy.
Controls
Cross button: Move menu items/slide Gumblock on the board. A button: Select/confirm. B button: Return to previous screen/return previous move. START: Pause/resume. If you can't solve it, you can return to the initial arrangement by selecting Reset in the pause menu. SELECT: Flip the puzzle on the Puzzle Select screen. L/R is not used in basic operations.
Denki Blocks! Game manuals
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.