Zero-K

[spongebob]

Are you familiar with RTS games that are open-source? If you're not, then strap in because Zero-K is that one RTS games which is an open-source and it's built on the Spring Engine. This game is known well for its large-scale, free-flowing battles and serious tactical gameplay. Zero-K is very similar to RTS games like Supreme Commander and Total Annihilation because of its deep resource management system, large armies and improved strategic elements.