Ubuntu – Tibia Error on Ubuntu 11.10 64bit

I have a bit of a problem, I'm trying to play Tibia on my 11.10 installation and I get the following error:

./Tibia: error while loading shared libraries: libGLU.so.1: cannot open shared object file: No such file or directory

All I used to do to play was download, extract and run the game. I'm running a 64bit installation of 11.10.

Any ideas?

Here's the output to ldd on the file:

amatteo@adrian-Ubuntu:~/Tibia$ ldd ./Tibia
linux-gate.so.1 =>  (0xf76e1000)
libGL.so.1 => /usr/lib32/nvidia-current/libGL.so.1 (0xf75f8000)
libGLU.so.1 => not found
libX11.so.6 => /usr/lib/i386-linux-gnu/libX11.so.6 (0xf74c1000)
librt.so.1 => /lib32/librt.so.1 (0xf74b8000)
libstdc++.so.6 => /usr/lib/i386-linux-gnu/libstdc++.so.6 (0xf73cd000)
libm.so.6 => /lib32/libm.so.6 (0xf73a3000)
libgcc_s.so.1 => /lib/i386-linux-gnu/libgcc_s.so.1 (0xf7385000)
libc.so.6 => /lib32/libc.so.6 (0xf720a000)
libpthread.so.0 => /lib32/libpthread.so.0 (0xf71ef000)
libnvidia-tls.so.280.13 => /usr/lib32/nvidia-current/tls/libnvidia-tls.so.280.13 (0xf71ec000)
libnvidia-glcore.so.280.13 => /usr/lib32/nvidia-current/libnvidia-glcore.so.280.13 (0xf58db000)
libXext.so.6 => /usr/lib/i386-linux-gnu/libXext.so.6 (0xf58c8000)
libdl.so.2 => /lib32/libdl.so.2 (0xf58c2000)
libxcb.so.1 => /usr/lib/i386-linux-gnu/libxcb.so.1 (0xf58a3000)
/lib/ld-linux.so.2 (0xf76e2000)
libXau.so.6 => /usr/lib/i386-linux-gnu/libXau.so.6 (0xf589f000)
libXdmcp.so.6 => /usr/lib/i386-linux-gnu/libXdmcp.so.6 (0xf5898000)

I made a search for libGLU.so.1 and it was found in /usr/lib and in /usr/lib32