In order for you to play Total War: ROME REMASTERED on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 20.04 64-bit
Processor (CPU):
Intel Core i3-4130 3.4GHz | AMD FX-6300 3.5GHz
Memory (RAM):
6 GB RAM
Graphics Card:
NVIDIA GeForce GTX 660 2GB | AMD R9 285 2GB (GCN 3rd Gen)
Storage:
45 GB available space
In order to play Total War: ROME REMASTERED on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Ubuntu 20.04 64-bit
Processor (CPU):
Intel Core i7-4770K 3.5GHz | AMD Ryzen 5 2600X 3.6GHz
Memory (RAM):
8 GB RAM
Graphics Card:
NVIDIA 970 4GB | AMD RX 480 4GB
Storage:
45 GB available space