Is Half-Life: Opposing Force Canon?

An analysis of the strange status of Half-Life: Opposing Force in its parent series. — Bonus Video:    • Top 10 Half-Life Games Remastered   Written, recorded, and edited by me. Music is from the Half-Life OST (https://store.steampowered.com/app/32..., Half-Life: Opposing Force OST, and Half-Life: Alyx OST(https://store.steampowered.com/app/13.... 0:00 - Introduction 1:05 - Background 2:00 - Subjective "Evidence" 2:46 - Plot and Pacing 4:27 - Marc Laidlaw 6:14 - The Gonome 7:44 - Reappearances 10:10 - Blue Shift and Decay 11:12 - Half-Life: Alyx 14:48 - Conclusion Sources: https://www.gamasutra.com/view/featur... http://web.archive.org/web/2010022401... https://combineoverwiki.net/wiki/Refe... https://combineoverwiki.net/wiki/Refe... https://web.archive.org/web/201705161... https://www.eurogamer.net/articles/va... Disclaimer: I do not own Half-Life. Half-Life and all subsequent material belong to Valve Corporation.