Imperial Guardians is an action line-defense game which need your brilliant strategy to defeat the coming invaders. You have to keep your resource available enough, which enables summonning your troops to the battle arena. You can upgrade the units up to 5 levels higher, and summoning heroes in injury time !
This game has been released in http://www.y8.com/games/imperial_guardians
Feel free to play and we’re also delighted to hear your feedback ! 
Thank you 