Quake is a commercial product owned by id Software and Bethesda. While the engine source code is open-source (GPL), the game assets (maps, sounds, textures) are not.
You can legally download the Quake Shareware version for free, which gives you access to the entire first episode (Dimension of the Doomed). Quake: The Offering Free Download
Digital storefronts like GOG.com have been known to include Quake in "Free Games Collections" during major holiday sales. Why It Still Matters The Offering | Quake Wiki | Fandom Quake is a commercial product owned by id
Quake: The Offering — The Ultimate 90s Gothic Frag-Fest When id Software unleashed Quake in 1996, it didn't just change the game; it rewrote the laws of virtual physics. By 1998, the definitive way to experience this revolution was , a compilation that remains a holy grail for retro FPS fans. What’s in the Box? Digital storefronts like GOG
The original dark fantasy nightmare where you play as Ranger, fighting through gothic castles and military bases to stop an ancient evil.