Thank you for the solution. The game now runs fine.
Also for anyone else running ArchLinux, the needed obsolete package is in AUR named gconf ,if you don't have Steam installed (or don't want to run steam runtime)
The game won't launch on Linux, tried with 2 different distro that produce the same error.
[ERROR] FATAL UNHANDLED EXCEPTION: System.TypeInitializationException: An exception was thrown by the type initializer for System.Console ---> System.TypeInitializationException: An exception was t hrown by the type initializer for System.ConsoleDriver ---> System.Exception: Magic number is wrong: 542 at System.TermInfoReader.ReadHeader (System.Byte[] buffer, System.Int32& position) [0x00000] in <filename unknown>:0 at System.TermInfoReader..ctor (System.String term, System.String filename) [0x00000] in <filename unknown>:0 at System.TermInfoDriver..ctor (System.String term) [0x00000] in <filename unknown>:0 at System.ConsoleDriver.CreateTermInfoDriver (System.String term) [0x00000] in <filename unknown>:0 at System.ConsoleDriver..cctor () [0x00000] in <filename unknown>:0 --- End of inner exception stack trace --- at System.Console..cctor () [0x00000] in <filename unknown>:0 --- End of inner exception stack trace --- at Hacknet.Game1..ctor () [0x00000] in <filename unknown>:0 at Hacknet.Program.Main (System.String[] args) [0x00000] in <filename unknown>:0