Often available for around $14.99 , or significantly less during sales.

Features classic Quake guns like the railgun, nail gun, and the devastating dark matter gun. Many weapons receive permanent upgrades throughout the campaign.

is a solid, military-themed first-person shooter that directly continues the story of Quake II . Released in 2005 and developed by Raven Software, it remains a "must-play" for fans of old-school twitch shooters, despite some dated design choices like linear levels and clunky vehicle segments. Gameplay & Narrative

Recommended for being DRM-free and often bundled with older titles. It is listed at retailers like Fanatical .

You can legally purchase and download Quake 4 from major digital storefronts:

The game shifts the series back to a single-player focus after the multiplayer-only Quake III Arena .

You play as Marine Corporal Matthew Kane on a mission to invade Stroggos and defeat the cybernetic alien race known as the Strogg.