I did not experience any crash playing Chapter 9 or some of the earlier chapters. However, I noticed a couple ERROR while playing with the --verbose flag. I think it is because of case-sensitivity on
Linux, the image cannot be found because case-mismatch for the letter 'c'. Nevertheless, the errors did not cause any problem with the app, no crash, no segfault, except maybe it didn't show that image 023C.png on screen.
Regarding the crash, my speculation that it possibly happened on system with low resources or memory ( due to memory leaks
? ) because I also see the following in the log: