More than 30 years after its original release, Quake has received a major new update, giving fans of id Software's classic first-person shooter an unexpected reason to return to the game.

MachineGames has added a brand-new chapter called Dawn of the Machine to the 1996 shooter, expanding on the game's campaign with 19 new levels. The update marks the third Quake expansion created by MachineGames, following the studio's previous additions to the classic FPS.

Dawn of the Machine sees Quake's protagonist trapped in what is described as "a dimension of endless illusion." Alongside the new levels, the expansion introduces several new weapon variants that could make the gameplay feel surprisingly fresh despite the game's age.

Among the most interesting additions are the Super Axe, which unleashes lightning with successive strikes, and the Laser Cannon, which fires projectiles capable of ricocheting around environments and tearing through enemies from multiple angles.

The update isn't just about new gameplay, either.

MachineGames has also added a collection of archival material documenting Quake's development. The gallery includes unfinished levels that were created during the game's early development but never made it into the final release.

Some of the material provides a fascinating glimpse into the realities of game development in the 1990s. Several unfinished levels have remarkably simple names such as "Tim," "Tim10A," and "Tim14," while development notes openly acknowledge problems with navigation and incomplete areas.

It's a reminder that even one of the most influential shooters ever created went through plenty of messy experimentation before becoming the game players ultimately received.

The update was revealed during a QuakeCon panel featuring id Software co-founder John Romero. The timing of the announcement produced an amusing bit of history, as Romero pointed out that it wasn't actually happening on Quake's 30th anniversary.

Quake originally launched in June 1996, meaning its 30th anniversary was earlier this year. Instead, the announcement coincided with the 30th anniversary of the day Romero left id Software, something he reportedly acknowledged with laughter during the panel.

The celebration comes during a much more complicated period for id Software, however. The studio recently experienced substantial layoffs as part of Microsoft's broader efforts to restructure and "reset" its Xbox business.

The layoffs have understandably cast a shadow over the celebration. John Carmack, another id Software co-founder, previously expressed concern about the situation, noting that Microsoft's handling of the studio's future could make the planned founder reunion at QuakeCon considerably more difficult.

Despite the circumstances, Romero, Carmack, Adrian Carmack and Tom Hall are all scheduled to appear together for a special founders reunion panel on Saturday. The event is expected to feature a rare discussion about id Software's early years, including the friendships, challenges and innovations that helped shape modern gaming.

For Quake fans, Dawn of the Machine is therefore more than just another update to an old shooter. It is a substantial new piece of content for one of PC gaming's foundational games, complete with new levels, weapons and a fascinating collection of development history.

Considering Quake originally arrived in 1996, getting 19 additional levels more than three decades later is an impressive way to keep the classic alive.