Hi again Cesar!
I've tried it again, both by soflinking the library and copying it to the included `libs/x86_64-lunx-gnu` folder and now the error is a `Segmentation fault`:
$ ./The_Lost_Mines
Violació de segment
$ tree libs/
libs/
└── x86_64-linux-gnu
├── libc.so.6
├── libFLAC.so.12
├── libgcc_s.so.1
├── libm.so.6
├── libopenal.so.1
├── libSDL2-2.0.so.0
├── libSDL2_ttf-2.0.so.0
├── libsfml-audio.so.3.0
├── libsfml-system.so.3.0
├── libsndio.so.7 -> /usr/lib/x86_64-linux-gnu/libsndio.so.7.0
└── libstdc++.so.6