Oh I see. Thanks for the quick response. I'm having trouble with quicklisp aswell, as it doesn't recognize the game's asdf system, so I have to manually load everything. Pain.
Thanks for the helpful advice. For some strange reason, today I restarted emacs and the game system loaded on first try! I didn't figure out what was the error source, but I remember sbcl was trying to compile "packages.lisp" from /tmp/packages.lisp, which doesn't exist.