http://nonadecimal.com/site/automata-empire/
A chaotic, strategy game where units are controlled indirectly as the player places game pieces. Mathematical, spatial and fun.
Genre: Real-time strategy.
Platforms: PC.
Difficulty: May be more fun for kids if a parent is playing and learning the rules, too.
Content: This has a multiplayer online mode, in addition to singleplayer.
Age-related suggestions: Probably enjoyable for kids aged 7+.
Consider consulting detailed reviews before purchase.
If Your Kids are Gamers ... 