In order for you to play Children of Morta on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 16.04
Processor (CPU):
2.8 GHz Dual Core CPU
Memory (RAM):
4 GB RAM
Graphics Card:
GeForce GTX 660, Radeon R7 370 or equivalent with 2 GB of video RAM
Storage:
2 GB available space
Sound Card:
DirectX compatible
In order to play Children of Morta on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Ubuntu 16.04 or higher
Processor (CPU):
3.2 GHz Quad Core Processor
Memory (RAM):
8 GB RAM
Graphics Card:
GeForce 960, Radeon RX 570 or equivalent with 4GB of video RAM
Storage:
2 GB available space
Sound Card:
DirectX compatible