Is the libgl1-mesa-dri:i386 package installed on your system?

(In reply to comment #5)
> If I am debugging it with gdb, it won't go past the loading screen for the
> main menu. The last thing gdb says is "0xf776e425 in __kernel_vsyscall ()".

That's too little information. If you don't know which output from gdb is
relevant, please just attach all of it.