Because Lemmy is dominated by USA demographic, and Putin is ruling on another continent, so his actions are less impactful for average Americans' lives.
DrakeNier series: Starting by red dragon falling from sky in 2000s. Through guy in medieval, postapocalyptic 3400s trying to save his sister. Ending on androids in maid suits fighting a war against machine lifeforms and preparing Earth for return of humanity, in 11945.
Also I didn't tell about origins of the dragon, because I haven't played Drakengard series yet.
I played Half Life first time few years ago, and it has aged really well in my opinnion. I enjoyed it more than Black Mesa. Also I don't think of Black Mesa as a substitute for hl1, but as a good game you can play after beating og.
It´s available from F-droid app, but not from website.