In order for you to play Realpolitiks on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 16 / Mint
Processor (CPU):
Intel Pentium G3020
Memory (RAM):
4 GB RAM
Graphics Card:
Intel HD 520 or better, 1GB VRAM or more
Storage:
700 MB available space
In order to play Realpolitiks on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Ubuntu 16 / Mint
Processor (CPU):
Intel Core i3
Memory (RAM):
4 GB RAM
Graphics Card:
Nvidia GeForce GTX 740 / AMD Radeon R7 250
Storage:
1 GB available space