Check this rather interesting Greenlight game out!

Your hometown has been attacked by an army of unknown origin! To defeat them, you must rescue kidnapped hostages locked in cages and uncover alien technology! Unlock bonuses and earn increasing ranks as you explore mine caverns to clear sections of town. Save mankind from apocalypse in this challenging sci-fi/horror game!
http://gtm.you1.cn/sharedfiles/filedetails/?id=612317084

If this game interests you and you would love to see this made available in the Steam store, feel free to vote yes