Zero-K is an open source RTS using the Spring engine. It aims to provide a dynamic massively multiplayer metagame built around a highly enjoyable, imaginative RTS core, as well as a compelling single-player experience.
Zero-K (ZK; formerly known as Complete Annihilation and CA) is a free multi-platform open source real-time strategy computer game. Initially based on content from Total Annihilation on the open source Spring Engine, it was forked and all proprietary content replaced, and evolved into a completely new game with unique features.
Zero-K - Project Cost Include Avg. Salary $/year Project Markup & Code $55000/yearCodebase Effort (est.) 643,550 Lines 173 Person Years Estimated Cost$9,528,821Updated Jan 20, 2013