In order for you to play Megabonk on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 18.04, SteamOS 3.0, or later
Processor (CPU):
potato
Memory (RAM):
2 GB RAM
Graphics Card:
no
Storage:
500 MB available space
Sound Card:
Any
In order to play Megabonk on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Ubuntu 20.04, SteamOS 3.0, or later
Processor (CPU):
potato 2
Memory (RAM):
2 GB RAM
Graphics Card:
yeah
Storage:
500 MB available space
Sound Card:
Any