In this situation:
- Guest PC, Intel core I7, 16 GB RAM, Geforce GTX 1050, High graphics settings, “Lords of the West” DLC,
- Game version: 101.101.44834.0, Steam, “Lords of the West” DLC, “Enhanced Graphics pack” installed and enabled
- Operating system: Windows 10
- Huge map, turbo mode, medium resources
- Multiplayer with 5 human players and AI just below Extreme
- Started a large attack against enemy with 200 units engaged by each attacker
All graphics starts flickering: buildings, units, even trees.