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):
512 MB RAM
Graphics Card:
OpenGL 3.2+, Vulkan capable GPUs
Storage:
250 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
Memory (RAM):
1 GB RAM
Graphics Card:
Official graphics driver from vendors
Storage:
250 MB available space