ARRIVAL: ZERO EARTH

Aliens have invaded the earth and you have to assemble an army of local townspeople to fight them!
Fight giant alien machinery, navigate through different biomes and alternate history timelines to discover and obliterate the true prime evil.

Set in Finland during the Winter in the '90s
Roguelike semi-autobattler gameplay
Control one large army through different procedurally generated levels
Collect items to gain new abilities
Different Unit types to build your army from
Units choose who they attack automatically, but you control where they move

In the game you unlock new units and items between runs, but there are no permanent stat upgrades between runs.
The game has:

7 Unique Biomes
18 Different Unit Types
27 Different Item Types
5 Enemy Types
1 Boss Fight

more information