2019 boms difficulty:hard rats size:large total-conversion walkthrough war

2011 boms boss community-edit difficulty:hard music puzzle series size:large total-conversion walkthrough

2014 boms class-based co-oprequired ctf fun losable official official-screlease pvp size:small svencoop5

2002 boms community-fixed creepsworld-top50 difficulty:easy rcbot size:large walkthrough

2006 2016 black-mesa boms difficulty:medium official official-screlease rcbot size:large survival svencoop4 svencoop5 walkthrough

2012 abandoned boms co-oprequired difficulty:hard fun losable music recreation series size:large total-conversion