It was created on a Windows 8.1 operating system and exported as a linux application.
I moved the two files to the Fedora 28 operating system.
The error occurred from the mono package and I fixed it with the installation using the dnf tool.
[mythcat@desk Godot_test_001]$ ll total 41752 -rw-rw-r--. 1 mythcat mythcat 41092 Aug 2 18:34 Godot_test_001.pck -rwxrwxr-x. 1 mythcat mythcat 42707653 Aug 2 18:34 Godot_test_001.x86_64 [mythcat@desk Godot_test_001]$ ./Godot_test_001.x86_64 OpenGL ES 3.0 Renderer: Mesa DRI Intel(R) Ivybridge Desktop Mono: Initializing module... The assembly mscorlib.dll was not found or could not be loaded. It should have been installed in the `/usr/lib/mono/4.5/mscorlib.dll' directory.
Here's the final result:
[root@desk mythcat]# dnf install mono-core.x86_64 Last metadata expiration check: 1:22:05 ago on Thu 02 Aug 2018 05:30:05 PM EEST. Dependencies resolved. ... Installed: mono-core.x86_64 4.8.0-14.fc28 libgdiplus.x86_64 5.6-1.fc28 mono-data.x86_64 4.8.0-14.fc28 mono-data-sqlite.x86_64 4.8.0-14.fc28 mono-extras.x86_64 4.8.0-14.fc28 mono-mvc.x86_64 4.8.0-14.fc28 mono-wcf.x86_64 4.8.0-14.fc28 mono-web.x86_64 4.8.0-14.fc28 mono-winforms.x86_64 4.8.0-14.fc28 Complete!
[mythcat@desk Godot_test_001]$ ./Godot_test_001.x86_64 OpenGL ES 3.0 Renderer: Mesa DRI Intel(R) Ivybridge Desktop Mono: Initializing module... Mono: Runtime initialized Mono: INITIALIZED