User blog comment:Grammarlad/Metro 2033 - Dimitry Glukhovsky or THQ? - Book or game?/@comment-3338068-20110628194110/@comment-10363089-20110628205939

Well the canon ending in both the games and books is the "Bad" ending where darkones die. I can see why they put in the "Good Ending" as Artyom does has second thoughts just before the missiles hit.