Monster Idle 7 Days Survival description

Monster Idle 7 Days Survival is survive game like tower defense.
You need to upgrade your house to fight the monsters in 7days.
Remember upgrade your house. There are 4 abilities: gun, strong, gem and research. You have to defeat the aliens to get more gold to upgrade in game and you always have many gems for each 5 seconds to upgrade forever.
So, Enjoy it!
If you have any questions or suggestions about this game, just dont mind contact us via email: [email protected]
Thank you so much!