i just make a fresh install with lubuntu
i get steam from the steam website, it worked , i can start steam

but i was trying to start Dota Underlords and the game didn't launch
the little window appear and disapper just after.

i've done some tips like disable the steam overlay , trying to reset steam and the game

trying to launch the underlord.sh

octave@octave:~/.steam/steam/steamapps/common/Underlords/game$ ./underlords.sh
Using breakpad crash handler
[S_API] SteamAPI_Init(): Loaded '/home/octave/.local/share/Steam/linux64/steamclient.so' OK.
Setting breakpad minidump AppID = 1046930
Forcing breakpad minidump interfaces to load
Looking up breakpad interfaces from steamclient
Calling BreakpadMiniDumpSystemInit
Looking up breakpad interfaces from steamclient
Calling BreakpadMiniDumpSystemInit

and stop after that ,

i have ubuntu 18.04 lts with an intell Graphic 3000