Nimblebit's kart racer Zero Gear has just been released via Steam, and to celebrate the game is free to play until the end of the week. All you need in a Steam account and you can check the full game out for the next 5 days.

Clocking in at $19.99, the game is also 25% off until the end of the week, so if you decide you like it, the discount may prove useful! If you need to read words about whether or not it's worth playing, there are such words on this very blog round abooout... here. Given, they are words regarding the beta build, but they should give a reasonable idea of what you're up against.

To play the game for free, it should have already appeared in your list of Steam games, so it's a simple case of installing it. Go see what you think.