Does anyone remember Skyroads?

Orbit-Hopper is a Skyroads-clone featuring OpenGL 3D graphics, enemies, new floors, highscores, new levels and much more. A leveleditor is included.

Thanks to SDL & OpenGL Orbit Hopper runs both on Windows and Linux. You might even be able to get it to run on MacOS.

• built-in leveleditor
• enemies
• pong challenges
• windows & linux compatibility
• several new maps
• customizable controls
• two multiplayer (splitscreen) modes
• smoke and glow effects
• various screen resolutions
• command console
• time-attack mode featuring ghosts
• customizable singleplayer campaigns
• highscores
• complex trigger-system to allow dynamic levels
• 10+ floor types (such as speed up, slow down...)
• 70+ maps

The original developer is Harald Obermaier and the project is hosted here. Consider this git repository as a backup.