Team Fortress Classic, a multiplayer first-person shooter developed by Valve, was released as a mod for Half-Life.
Valve began releasing updates and patches to fix bugs, add new features, and improve gameplay in Team Fortress Classic.
Valve launched the Steam digital distribution platform, which included Team Fortress Classic as one of the available games.
The establishment of the Global Defense Initiative (GDI), the organization recruiting specialized mercenaries for combat operations globally.
Global Defense Initiative splits its mercenary forces into RED (Reliable Excavation & Demolition) and BLU (Builder's League United) teams to carry out competitive corporate warfare and control valuable resources.
RED team is tasked with securing and holding a canyon base to extract valuable resources and gain strategic advantage.
BLU team launches a full-scale counterattack on the RED canyon base with the objective to sabotage RED operations and gain control.
Successful infiltration mission by BLU Scout agent to obtain vital intelligence on RED Team movement and weaponry.
Both RED and BLU teams begin deploying new experimental weapons and technology during skirmishes, escalating combat intensity.
RED team eliminates a highly destructive BLU Pyro unit threatening their frontline operations.
RED Spy unit successfully infiltrates and sabotages BLU's key ammunition depot crippling their supply lines temporarily.
A major standoff between RED and BLU teams at Gravel Pit site results in significant casualties and tactical stalemate.
MEDIC unit on RED team perfects prototype healing device to rapidly stabilize wounded soldiers in the field.
A decisive battle where RED and BLU compete to capture and secure a crucial intelligence briefcase that could determine dominance.
