3d preview: https://skfb.ly/6wKOR

The pack is a part of Mech Constructor series, and can be expanded by the assets, that can be found on this Unreal Marketplace page.

All the parts are fully compatible. 

The buildings are extremely easy to assemble - just drop the parts into the corresponding containers and they'll snap right into place. 

The poly count of units varies from 500 to 3000 tris. The textures vary from hand painted 4k diffuse atlas, which looks good even unlit, to the set of PBR maps.

Parts: 

• Worker drone (animated)
• Fighter drone (animated)
• Turret bases (7 levels)
• Tower bases (5 levels)
• Tower walls (2 types)
• Roofs (3 levels)
• 8 cockpits
• 5 shoulder parts
• 9 "Halfshoulder" parts
• 9 back parts
• Big mortars (3 levels)
• Big 2-barrel cannons (3 levels)
• Big rayguns (3 levels)
• Radars (3 levels)
• Plasma guns (3 levels)
• Rocket launchers (3 levels)
• Rockets, cannon shells
• Landmines (3 levels)

Drone Animations: 

• Pack, Unpack
• Idle, Move (no Root Motion)
• Hit, Death
• Repair, Punch (Worker)
• Shoot (Fighter)