Hacker News
- The Cabal: Valve’s Design Process for Creating Half-Life (1999) https://www.gamasutra.com/view/feature/131815/the_cabal_valves_design_process_.php 84 comments
- The Cabal: Valve’s Design Process For Creating Half-Life [1999] http://www.gamasutra.com/view/feature/3408/the_cabal_valves_design_process_.php?print=1 3 comments
- The Cabal: Valve’s Design Process For Creating Half-Life http://www.gamasutra.com/features/19991210/birdwell_pfv.htm 11 comments