first of all, it's really a great game. a little bit more complexity would be needed though: more weapons, more types of enemies and what's important - more challenging levels.
graphics's just amazing! And you can't forget to mention LaserSquad the father of all turn-based tactical squad games!
 "XenoSquad"){kind=icon}
 "The Company of Myself"){kind=icon}
 "Kongai"){kind=icon}
 "Crush the Castle"){kind=icon}