Originally posted by Black Mesa / @BlackMesaDevs@twitter.com: https://nitter.net/SepkoSfm/status/1616439150986526723#m

RT by @BlackMesaDevs: Half Life: The Snapchat Adventures Part 20 - Opposing Forces.

And that's a wrap on Act One! Sorry it took so long. It won't be too long before Act Two starts up, it's been a blast so far.

#halflife #blackmesa #gordonfreeman #barneycalhoun #hlsnapchat #sfm #SourceFilmmaker