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Play Krusty World (Japan edition · English) Online
Krusty World
Play Krusty World online for Game Boy. Krusty’s fun house is overrun with rats, and each room becomes a puzzle about guiding them into an extermination machine.
Browser play
Game Boy (GB) — EmulatorJS controls
Default Player 1 keyboard mapping. Change keys in Controller Settings.
| Console button | Keyboard |
|---|---|
| ↑ / ↓ / ← / → | ↑ / ↓ / ← / → |
| A / B | Z / X |
| START / SELECT | Enter / V |
Open Controller Settings to configure your keyboard or gamepad. Touch controls are available on mobile.
How to Play Krusty World
Quick start
Enter the first doorway with Up, inspect the rats’ path and find a block that can help them climb. Down picks it up or puts it down. A jumps and B shoots or kicks. After all rats reach the trap, return to the doorway; SELECT’s Last Resort costs a life.
Controls
Left/right: move. Up: stairs/door. Down: pick up or drop objects. A: jump. B: throw a pie/SuperBall or kick a nearby object. START: pause/resume. SELECT: Last Resort exit, losing one life.
Krusty World — About this game
Krusty’s fun house is overrun with rats, and each room becomes a puzzle about guiding them into an extermination machine. Carry blocks, springs and other objects to bridge gaps, build steps or redirect the animals through blowers and pipes. Krusty must also avoid hostile creatures and use limited projectiles when necessary. Clear the rats, return safely to the doorway and complete the section’s rooms to unlock the next part of the house. Enter the first doorway with Up, inspect the rats’ path and find a block that can help them climb. Down picks it up or puts it down. A jumps and B shoots or kicks. After all rats reach the trap, return to the doorway; SELECT’s Last Resort costs a life.
Krusty World 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 · gb
- 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.