If you fancy some free RTS this week then now might be the time to give Etherium a look. It's entirely ours to play for nothing at all until next Monday, July 20th. It's also been discounted 50% for the promotion.
Outpost building, resource management, fancy sci-fi units to unleash upon our enemies... the only thing to top that would be giant colossi. Oh wait, it does have giant colossi.