on 2 april 1998, shortly after the release of "tomb raider ii", "tomb raider" was re-released on the pc and in 1999 ported to the macintosh. this release, titled "tomb raider gold - the shadow of the cat" in north america, and "tomb raider: unfinished business" elsewhere, featured the regular game as well as two new expert chapters ("shadow of the cat" and "unfinished business") in four levels, two levels each. the levels for "tomb raider gold" were created in the san francisco office of eidos by phil campbell, rebecca shearin, and gary larochelle.