Independent developers NimbleBit have announced the opening of beta signups for their PC kart game Zero Gear. Billed as "physically-fueled, online multiplayer PC kart combat madness" they have also released a trailer showcasing gameplay, weapons and tracks.
About the developers:
Zero Gear is a labor of love by the 3 person team NimbleBit, and has been under development for over 2 years. NimbleBit is composed of Brian Cronin,
David Marsh and Ian Marsh, whom are 100% self-funded and and striving to
live the Indie dream. Currently they are working at fever-pace to release
Zero Gear so that they can prove to friends and family that they haven't
just been idly unemployed for the past few years.