Will Valve finally break the curse and officially announce one of these long-anticipated threequels is in active development? If this happens before July 23rd (in Seattle time), this market resolves YES.

An announced game does not need to have to have the exact title of "[Game Name] 3" for this market to resolve YES, but it is required to have the number 3 in the title and be announced as the next entry in the Half-Life, Portal, Left 4 Dead, or Team Fortress series.

It must be an official announcement that the game is in active development (or already finished) with confirmation of the title, but no other details are required.

The announcement of "Half-Life 2: Episode Three" resolves YES, as does "Half-Life 3: Alyx's Revenge". However, "Half-Life Alyx 2" would not be sufficient for a YES resolution, even if the game was set after the events of Half Life 2, because the title is required to include the number 3 to resolve this market.

An announcement of a bundle like "The Orange Box 2" which is confirmed to include any of these four games would also be sufficient to resolve this market to YES.