In order for you to play AER Memories of Old on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 14.04 or newer
Processor (CPU):
3GHz Dual Core CPU
Memory (RAM):
4 GB RAM
Graphics Card:
GeForce GTX 560 / AMD HD 6870 with at least 1 GB VRAM and proprietary drivers, latest OpenGL driver
Storage:
3 GB available space
Sound Card:
Sound Card with latest drivers
In order to play AER Memories of Old on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Ubuntu 16.04
Processor (CPU):
3GHz Quad Core CPU
Memory (RAM):
4 GB RAM
Graphics Card:
GeForce GTX 670 / AMD HD 7870 series with 2 GB VRAM and proprietary drivers, latest OpenGL driver
Storage:
3 GB available space
Sound Card:
Sound Card with latest drivers