Running on Devuan stable (amd64). I very quickly found that the game was failing to start up. Altering the launch command to open a terminal window instead of trying to run the game allowed me to see what was going on – this game required the installation of libgtk-3-0:i386. (I'm surprised at the lack of an amd64 binary.) With that done, I then found that the game still wouldn't start: ./BlastFort: symbol lookup error: /home/steam/Steam/steamapps/common/BlastFort/lib/libnw.so: undefined symbol: ...