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1. Half-Life and Portal universe | Half-Life Wiki | Fandom
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2. Half-Life and Portal universe | Half-Life Wiki | Fandom
https://half-life.fandom.com/wiki/Half-Life_and_Portal_universe#:~:text=The%20Half%2DLife%20and%20Portal,Life%20on%20the%20PC%20platform.&text=In%202005%2C%20Electronic%20Arts%20took,of%20the%20Half%2DLife%20series.
3. Timeline of the Half-Life universe | Half-Life Wiki | Fandom
https://half-life.fandom.com/wiki/Timeline_of_the_Half-Life_universe
Word reaches Aperture Science management that Black Mesa is working on a similar portal technology. In response to this news, Aperture Science begins …
4. Portal | Half-Life Wiki | Fandom
https://half-life.fandom.com/wiki/Portal
Minimum:1.7 GHz proce…
5. Half-Life and Portal universe – Combine OverWiki, the original …
https://combineoverwiki.net/wiki/Half-Life_and_Portal_universe
Valve Corporation; Gearbox Soft…
6. Timeline of the Half-Life and Portal universe – Combine Overwiki
https://combineoverwiki.net/wiki/Timeline_of_the_Half-Life_and_Portal_universe
Valve’s official stance is that they do not intend on providing a definitive Half-Life / Portal series timeline as they fear the possibility of contradicting themselves …
7. What are the connections between Portal series plot and Half …
https://gaming.stackexchange.com/questions/122/what-are-the-connections-between-portal-series-plot-and-half-life-series-plot
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8. What is the link between the Portal series and Half-Life series …
https://scifi.stackexchange.com/questions/15796/what-is-the-link-between-the-portal-series-and-half-life-series
Black Mesa and Aperture Science, the two focal science companies of the Half-life and Portal series exist in the same in-game biverse and, …
9. Thoughts on Half-Life and Connections to Portal Series …
Thoughts on Half-Life and Connections to Portal Series (potential spoilers) from HalfLife
Thoughts on Half-Life and Connections to Portal Series (potential spoilers). It’s been a couple years since I’ve beaten HL Episode 2, but one of the things that …
10. Half-Life vs Portal: Which One Is Better? | TheGamer
https://www.thegamer.com/half-life-vs-portal-compared-better-worse-best/
Between Valve’s much loved Half-Life and Portal franchises, which one truly deserves that coveted third installment?
11. Half-Life (series) – Wikipedia
https://en.wikipedia.org/wiki/Half-Life_(series)
Sierra On-Line (1998–2003); Val…
12. Portal Movie: Dan Trachtenberg Updates Valve’s Plans for the …
https://comicbook.com/gaming/news/half-life-portal-valve-movie-dan-trachtenberg-updates-plans-universe-big-screen/
Portal movie just materialized out of nowhere as Dan Trachtenberg gave an update on Valve’s plans for the Half-Life universe on the big screen …