In order for you to play Echoes on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 16.04 and later (64bits only)
Processor (CPU):
2.0 Ghz (with SSE2 instruction set support)
Memory (RAM):
4 GB RAM
Graphics Card:
Integrated or dedicated graphic card with 512MB of VRAM
Storage:
2 GB available space
In order to play Echoes on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Ubuntu 16.04 and later (64bits only)
Processor (CPU):
2.6 Ghz (with SSE2 instruction set support)
Memory (RAM):
4 GB RAM
Graphics Card:
Integrated or dedicated graphic card with 512MB of VRAM
Storage:
2 GB available space