Trivia

Hard

Half-Life 2 Includes An Homage To Which Sci-Fi TV Show?

Star Trek
Lost
Battlestar Galactica
Doctor Who
Screenshot of the computer room Easter egg in Half-Life 2.
Valve Corporation

Answer: Lost

If you’re a Lost fan with a keen eye, there’s an Easter egg hidden in Half-Life 2: Episode 2 just for you. In the level/chapter, “Our Mutual Friend”, hidden away in the secondary silo in the level, there is a rundown room that can only be seen by crouching and peeking into it.

Inside the room, there is an old computer with a monochromatic screen with the numbers “4 8 15 16 23 42”. The numbers and their sequence were a central theme in the Lost series as was the old computer located in Swan Station on the Lost island. Behind the computer on the wall is a faded logo that looks exactly like the logo of the DHARMA Initiative from the series, except the central icon is a trio of pine trees (a symbol unseen in the actual TV series or related media) which alludes to the location in the Half-Life universe where the silo is located, the White Forest.

The Easter egg comes to us courtesy of Gabe Newell himself, co-founder and director of the Valve Corporation, the game company behind Half-Life as a fun little repayment for the Lost writers making a reference to the game. During a flashback scene in the first season episode, “The Greater Good,” one of Essam’s roommates is playing an unseen video game while the other roommate advises him “not to use the crowbar, it’s only good against zombies and not the big guys”—a direct reference to the iconic red crowbar that serves as the starter weapon in the Half-Life series.

If you like your Easter eggs with extra layers, you’ll really enjoy this bit. Not only does the scene in Half-Life 2 have the numbers and the logo from Lost, but the chapter name itself, “Our Mutual Friend,” is both a reference to the series (Gabe and the Valve staff were huge fans of the show) and the book Our Mutual Friend by Charles Dickens, which is the last book Lost character Desmond was to read before his death. By this point, the Easter egg has picked up enough layers to qualify as a veritable Easter onion.

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