In order for you to play Duck Simulator 2 on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Any modern distro
Processor (CPU):
x64 architecture with SSE2 instruction set support.
Memory (RAM):
2048 MB RAM
Graphics Card:
OpenGL 3.2+
Storage:
200 MB available space
In order to play Duck Simulator 2 on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Ubuntu 20.04, Ubuntu 18.04, or CentOS 7
Processor (CPU):
x64 architecture with SSE2 instruction set support.
Memory (RAM):
4096 MB RAM
Graphics Card:
OpenGL 3.2+
Storage:
200 MB available space