OPPOSING FORCE CLIFF NOTES
Adrian crashes the party held in Black Mesa Research Facility. (literally)
WELCOME TO BLACK MESA
Adrian chugged too much beer at the party and woke up dazed, in the infirmary.
"WE ARE PULLING OUT"
Following the emergence of expensive lawsuits targeting Black Mesa for extensive property damage resulting from the party, the HECU decide to pull out and avoid being implicated in the incident.
MISSING IN ACTION
Adrian missed his flight because some prick in a business suit locked the hangar doors on him.
Adrian shoots a fellow soldier so he can get the m249 SAW five chapters earlier.
WE ARE NOT ALONE
Adrian goes to Xen and has a frank exchange of ideas with foreigners.
Adrian discovers his inner hatred for aquariums.
PIT WORM'S NEST
Adrian gets into a staring contest with some sort of worm creature.
Adrian spends an entire chapter in a cargo yard.
Adrian defuses a bomb. Counter-Terrorists win.
Adrian witnesses a brutal culture clash between two very prejudiced groups.
Adrian gets into a staring contest with another worm, barely winning despite the worm's violent temper, bad breath, and frequent stomach cramps. The G-Man he met earlier appears and tells Adrian that he is impressed by Adrian's interpersonal skills and hires Adrian as an ambassador to Xen. He is granted government-subsidized housing in Xen and a substantial salary. From there, Adrian lived happily ever after. The end.