It’s this revelation that pushes Jacob to quickly finding a cure for Dani and righting his past wrongs. This culminates in a realization that Europa’s outbreak was his responsibility and there was no terrorist attack as a flashback forced to him by his dead co-pilot, Max Burrows, reveals that Jacob actually found the alien larvae he was transporting to Europa and chose to look the other way. He experiences what Dani went through in Jupiter’s other moon where the original outbreak of the biophage took place. Mahler that he’ll be able to synthesize an antidote for Dani if he can extract a sample from the Warden’s Alpha.Īs Jacob goes to confront the Warden, he slowly gets access to the events in Europa that was seen in the prologue. Mahler who syncs both Jacob and Dani’s CORE with each other so that he could find out what really happened in the attack of Europa, Jupiter’s other moon. Despite this, Jacob manages to kill him and extracts the Alpha sample from Ferris needed to cure Dani from the biophage.īefore the events of the final boss fight, Jacob is desperately looking for a way to save Dani. While Jacob initially fights Captain Ferris as a large humanoid figure, he eventually transforms into a giant hulking flesh with a sharp tendril and extra limbs. This culminates in a final boss fight with Captain Ferris, who becomes the new Alpha challenging Jacob to fight him.

Jacob comes face-to-face with the Warden Cole who explains that the true purpose of The Callisto Protocol is to recreate the original Subject Zero as Subject Alpha in order to advance to the next step of human evolutionary growth. Beware of major spoilers for The Callisto Protocol! What Happens in The Callisto Protocol Ending? On this article, we’ll explain the ending of The Callisto Protocol.

You’d have to fight like hell for answers to figure out what happened. With all the horrors that you experience in Jupiter’s second largest moon, you may be curious as to what The Callisto Protocol ending means.

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