INTEL LOG: CHRONOLOGY
Accessing classified historical records from Black Mesa and beyond.
Half-Life Released
Valve's debut title changes the FPS genre forever with its seamless narrative and scripted sequences.
Half-Life 2 Source Code Leak
A hacker accesses Valve's internal network and leaks the source code, forcing a significant delay of the game.
Half-Life 2 Released
After years of anticipation and a major leak, Gordon Freeman returns in a masterpiece of physics and storytelling.
Half-Life 2: Episode One Released
The first in a planned trilogy of episodic sequels, shifting the focus to Alyx Vance as a companion.
Half-Life 2: Episode Two Released
The Orange Box releases, ending on the infamous cliffhanger that has kept fans waiting for decades.
Concept Art Leaks
Early concept art for Episode Three surfaced, showing Advisor designs and snowy environments.
Gabe Newell on 'Ricochet 2'
In a podcast interview, Gabe uses 'Ricochet 2' as a code name to acknowledge they are working on something fans want.
Valve News Network Leaks
Tyler McVicker starts reporting on 'HLVR', the project that would eventually become Half-Life: Alyx.
Epistle 3
Former Valve writer Marc Laidlaw publishes a 'fanfic' that is clearly the intended plot for Episode Three.
Half-Life: Alyx Announced
Thirteen years after Episode Two, Valve officially announces a new full-length Half-Life game for VR.
Half-Life: Alyx Released
A triumphant return to City 17 that proves Valve still has the 'Half-Life magic', concluding with a massive twist.
Gabe Newell: 'We have games in development'
Gabe confirms in an interview that Alyx's success has re-energized Valve to create more single-player experiences.
SteamDB 'HL3' Mentions
App-level updates in SteamDB reference mysterious projects that the community immediately links to Half-Life.
Deadlock Leaks
Footage of Valve's new hero shooter 'Deadlock' leaks, containing assets that many suspect are shared with HL3 development.
Project White Sands
A voice actor's resume lists 'Project White Sands' (a Valve project), a name associated with the area where Black Mesa is located.
Source 2 Engine Updates
Continuous updates to the Source 2 engine include references to advanced destruction and single-player NPCs.