Boson X v1.0.5 (free version) (Linux) torrent

Boson X is a fast-paced rotational runner set in a particle accelerator. Build up speed inside a massive particle accelerator and generate high-energy collisions to discover strange new particles. Use precise timing and fast reflexes to navigate a subatomic world where floors and ceilings don't exist. Be fast enough to find the elusive Boson X.

A note from the developer:
"This download contains builds for 64-bit and 32-bit Linux. Be sure to run the bosonx executable from within its own directory, otherwise it will not be able to find the game data files, i.e. change to the directory containing the executable and type "./bosonx64" or "./bosonx32"."

This is the free version from the official website: http://www.boson-x.com

The leaderboards work, just press [O] after you die.

If you like the game, support the developer, buy it!
http://store.steampowered.com/app/302610/