Outside of libTAS:
Starting program: /home/fsvgm777/.local/share/Steam/steamapps/common/Nuclear Throne/runner
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
***************************************
* YoYo Games Linux Runner V1.3 *
***************************************
CommandLine: -game game.unx
ExeName= /home/fsvgm777/.local/share/Steam/steamapps/common/Nuclear Throne/runner
MemoryManager allocated: 1198792
INI DisplayName=nuclearthrone
SavePrePend /home/fsvgm777/.config/nuclearthrone/
GAMEPAD: Initialising Ubuntu support
Attempting to set gamepadcount to 4
Steam being initialised with appId 242680
Steam_Init
Steam - SteamAPI_RestartAppIfNecessary
szCmd: /bin/sh -c '"/home/fsvgm777/.local/share/Steam/steam.sh" "steam://run/242680"' &
[Detaching after vfork from child process 2066]
Steam - Restart required
Steam_Init
SteamInit failed with no msg
Steam restarting via client
Program received signal SIGSEGV, Segmentation fault.
0xf77ea806 in XPending () from /lib/i386-linux-gnu/libX11.so.6
(gdb) backtrace
#0 0xf77ea806 in XPending () from /lib/i386-linux-gnu/libX11.so.6
#1 0x082fb607 in ?? ()
#2 0x082fb982 in ?? ()
#3 0xf74a7519 in ?? () from /lib/i386-linux-gnu/libc.so.6
#4 0xf74a75f3 in __libc_start_main () from /lib/i386-linux-gnu/libc.so.6
#5 0x08051785 in ?? ()
In libTAS:
Starting program: /home/fsvgm777/.local/share/Steam/steamapps/common/Nuclear Throne/runner
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Attempt 1: Connected.
***************************************
* YoYo Games Linux Runner V1.3 *
***************************************
CommandLine: -game game.unx
ExeName= /home/fsvgm777/.local/share/Steam/steamapps/common/Nuclear Throne/runner
MemoryManager allocated: 1199304
INI DisplayName=nuclearthrone
SavePrePend /home/fsvgm777/.config/nuclearthrone/
GAMEPAD: Initialising Ubuntu support
Attempting to set gamepadcount to 4
Steam being initialised with appId 242680
Steam_Init
Steam - SteamAPI_RestartAppIfNecessary
szCmd: /bin/sh -c '"/home/fsvgm777/.local/share/Steam/steam.sh" "steam://run/242680"' &
[Detaching after vfork from child process 2693]
Steam - Restart required
Steam_Init
SteamInit failed with no msg
Steam restarting via client
Program received signal SIGSEGV, Segmentation fault.
0xf73ebeda in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
(gdb) backtrace
#0 0xf73ebeda in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#1 0xf7f2c47c in ?? () from /usr/bin/libtas32.so
#2 0xf7f2f855 in XPending () from /usr/bin/libtas32.so
#3 0x082fb607 in ?? ()
#4 0x082fb982 in ?? ()
#5 0xf7383519 in ?? () from /lib/i386-linux-gnu/libc.so.6
#6 0xf73835f3 in __libc_start_main () from /lib/i386-linux-gnu/libc.so.6
#7 0x08051785 in ?? ()
I believe I have come across a few threads stating issues on multi-monitor displays (and xrandr detects 1 connected display and 7 disconnected ones in VMware), but there have been issues getting this game to run on Linux, according to Steam discussion forums.