In order for you to play Terra Nil on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 20.04
Processor (CPU):
Intel Core i5-4590 / AMD FX-8350
Memory (RAM):
8 GB RAM
Graphics Card:
GeForce GTX 760 / Radeon RX 560X
Storage:
2 GB available space
In order to play Terra Nil on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Ubuntu 22.04
Processor (CPU):
Intel Core i7-6950X / AMD Ryzen 5 2600
Memory (RAM):
8 GB RAM
Graphics Card:
GeForce GTX 1080 / Radeon RX 5700 XT
Storage:
2 GB available space