Today is also the 25th Anniversary of Half-Life: Opposing Force!
Released November 19, 1999 as an expansion pack for Half-Life, which released exactly a year prior.
Also the first game released by Gearbox
With the official release of Workshop support on Half-Life 2, I published the demo of my upcoming mod I'm working on focused on Nova Prospekt.
You can play it through here: steamcommunity.com/sharedfiles/f…
Let me know what you think!