crashes on Ubuntu

[exekutive]

I tried the game, and the tutorial works fine. In the beginning of the story, I can drop down into the cave, but as soon as I try to go sideways into another room, the game crashes.

kernel: [34582.983444] The Great Work[12877]: segfault at 0 ip           (null) sp 00007ffe1d96be58 error 14 in The Great Work[400000+239000]

Ubuntu 16.04