Looks like we have another dev who thought they could click "export to linux" in their game engine's IDE without testing anything.
Anyway, your build crashes on startup, and yes i did chmod+x first.
I tried running the windows version via Wine, but both of them are German
Dampftraum_V1.5.1_WIP_LINUX]$ ./Dampftraum [0908/063110.785337:ERROR:zip_reader.cc(153)] Cannot open ZIP from file handle 3 [0908/063110.785413:ERROR:zip.cc(202)] Cannot open ZIP from file handle 3 [941942:941942:0908/063110.791673:FATAL:double_fork_and_exec.cc(131)] execv /home/relma2/Games/Dampftraum_V1.5.1_WIP_LINUX/chrome_crashpad_handler: Permission denied (13) #0 0x7f5d3cd51bb3 (/home/relma2/Games/Dampftraum_V1.5.1_WIP_LINUX/lib/libnw.so+0x5cadbb2) #1 0x7f5d3cd64cf0 (/home/relma2/Games/Dampftraum_V1.5.1_WIP_LINUX/lib/libnw.so+0x5cc0cef) #2 0x7f5d3cd65b8a (/home/relma2/Games/Dampftraum_V1.5.1_WIP_LINUX/lib/libnw.so+0x5cc1b89) #3 0x7f5d3d926cdf (/home/relma2/Games/Dampftraum_V1.5.1_WIP_LINUX/lib/libnw.so+0x6882cde) #4 0x7f5d3d91c3e0 (/home/relma2/Games/Dampftraum_V1.5.1_WIP_LINUX/lib/libnw.so+0x68783df) #5 0x7f5d3f5e8b9a (/home/relma2/Games/Dampftraum_V1.5.1_WIP_LINUX/lib/libnw.so+0x8544b99) #6 0x7f5d3f5e1dde (/home/relma2/Games/Dampftraum_V1.5.1_WIP_LINUX/lib/libnw.so+0x853dddd) #7 0x7f5d39244d10 (/home/relma2/Games/Dampftraum_V1.5.1_WIP_LINUX/lib/libnw.so+0x21a0d0f) #8 0x7f5d3c8c8043 (/home/relma2/Games/Dampftraum_V1.5.1_WIP_LINUX/lib/libnw.so+0x5824042) #9 0x7f5d3c8c6119 (/home/relma2/Games/Dampftraum_V1.5.1_WIP_LINUX/lib/libnw.so+0x5822118) #10 0x7f5d3c8c627a (/home/relma2/Games/Dampftraum_V1.5.1_WIP_LINUX/lib/libnw.so+0x5822279) #11 0x7f5d392431e7 (/home/relma2/Games/Dampftraum_V1.5.1_WIP_LINUX/lib/libnw.so+0x219f1e6) #12 0x7f5d36e8f2d0 (/usr/lib/libc.so.6+0x232cf)