Help me find a game

I remember playing 3-4 years ago on an android phone.
There, monsters attacked the earth and at the beginning they give you Persians to choose from. You don’t know their improvements, like it says why they want what they can do Toko 1 and this is on the real world map, the game is not 3d, but a view from above and just there you can go into houses and take a detachment with you if you stay in 1 house for too long, a strong mutant will come to you and there you need to collect water and broth and other things for the plot and improving the camp