Everything We Know About BioShock 4

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Rumors about have been circulating since shortly after the release of in 2013. The once-ubiquitous retrofuturistic first-person shooter series has effectively fallen off the face of the earth since then, but alleged leaks and unconfirmed reports have popped up periodically. rumors began just prior to the release of 's second DLC,, when series creator Ken Levine announced that it would be the last game developed by his studio, Irrational Games. Now called Ghost Story Games, it's currently working on a -inspired title called .

Publisher 2K soon took up the mantle, promising another title coming soon. This iteration of was initially to be developed by in-house studio 2K Marin, but was later outsourced to third-party studio Certain Affinity, then brought back under the 2K umbrella with the help of a new internal developer. It's hard to separate rumor from fact in the case of , and 2K's restraint in revealing information about it doesn't help. However, by comparing a laundry list of unconfirmed speculations with the cold, hard facts, it's possible to get a picture of what's going on.

After five years of radio silence, the issue of was raised again in 2018. A article that year on the 2K development studio Hangar 13 revealed that some of its employees had been hard at work on a highly secretive project given the working title. Rumors spread, first internally, and then via the resulting profile, that was actually a codename for . This was, of course, never confirmed by anyone at 2K or Hangar 13. If this version of really was in disguise, it appears to have since been rebooted.

Later, in 2023, leaks emerged claiming was in development hell. This revealed a new purported title — . It also corroborated earlier leaks from the same source claiming that the sequel had an Antarctic setting. These leaks further claimed that the COVID-19 pandemic and high staff turnover had stalled 's production, but that it was still technically an active project. None of this was ever officially