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Gravity Flip
A one-button runner that cannot jump - flip gravity to fall between floor and ceiling past holes and spikes.
Platformer Emulator verified v1.0.0 16.8 KB
The JAR and JAD are the Original Java ME Version for phones and emulators. How to install.
About
You sprint along an endless corridor where the only move is reversing gravity. Tap to fall to the ceiling, tap again to drop back to the floor, dodging holes and spike strips on both surfaces. The generator never blocks both surfaces at once, so every death is a timing mistake, and the pace never stops increasing.
Objective: Run as far as possible without falling out of the corridor or hitting spikes.
runner one button gravity endless
Screenshots captured from the real JAR at 176x208 on the project's reference runtime; the third image is rendered by MicroEmulator 2.0.4.
Controls
| Key | Action |
|---|---|
| 5/2/8 | Flip gravity |
| * | Pause menu |
In every game: 5 selects in menus, * pauses, and on the title screen # opens help and 0 toggles sound. The joystick and 2/4/6/8 are interchangeable.
Verification
| Level | Status | Details |
|---|---|---|
| Build verified | Yes | Compiled against CLDC 1.0 / MIDP 2.0; JAR + JAD generated |
| Reference runtime | Yes | Passed at 128x128, 128x160, 176x208, 176x220, 240x320 |
| Emulator verified | Yes | Automated smoke test on MicroEmulator 2.0.4 (176x220) |
| Real device verified | No | Not yet tested on real hardware |
Tried it on a real phone? Send a device report.
Technical details
| MIDlet | gravityflip.GravityFlipMIDlet |
|---|---|
| Platform | Java ME, CLDC 1.0, MIDP 2.0 |
| JAR size | 16.8 KB |
| Screens | 128x128, 128x160, 176x208, 176x220, 240x320 |
| Storage | RMS record store gk (settings, best score) |