Evochron is a series of Wide Open Sandbox singleplayer/multiplayer space simulators. It includes: * Riftspace (2004) * Evochron (2005) * Evochron Alliance (2006) * Evochron Renegades (2007) * Evochron Legends (2009) * Evochron Mercenary (2010) It has gameplay similar to Freelancer, another space combat simulator. However, it also supports planetary exploration, Newtonian physics, and is much more wide and open. It contains examples of the following tropes: