Aperture Science was already added to the Half-Life universe in Episode 2 when it was revealed that the Borealis was an Aperture Science research vessel. The Borealis was going to be a central location in Episode 3. As to why it never happened, I don't know. A shift in management style leading to a lot of internal strife and infighting over
Discover everything you need to know about Half-Life 2. Long-in-the-works Half-Life 2 VR mod gets public beta next month Half-Life 2: Episode 3 seems further away than ever
The writer behind Half-Life and its sequel expresses regrets about some of the widely renowned story and how Episode 3 was handled. The Half-Life franchise has inspired many PC gamers since it Half-Life. Half-Life 2: Episode Three is a cancelled game that was planned as the final installment in the Half-Life 2 episodic trilogy. Although the game never reached a finished state from which a definite plot summary can be formed, Episode Three would have presumably picked up after Episode Two's