The story of Tachyon Project Limited Edition takes place in a world where humanity has created a powerful technology to harness the energy of tachyons, hypothetical particles that can travel faster than light. However, as scientists experiment with this technology, they begin to realize its devastating consequences on their own existence.
The gameplay revolves around controlling a spaceship as it navigates through increasingly challenging levels set in various planets and environments. The game features fast-paced action, intricate level design, and a variety of upgrades and power-ups to enhance the player's experience.