Subject_0 in its mist form similar to ERROR_, but instead its color is tinted white and doesn't have red eyes. Subject_0's subject form sports his the appearance of a regular blocky robloxian with plain white skin and the iconic Roblox face, he generates mist from his hand if he needs to or swords colored to him. Exclusive to the EASTER UPDATE, Subject_0 has white bunny ears throughout the game, except for some parts. Coverage With Subject_0 being the main deuteragonist, it's pretty obvious that they are crucial in some things. At the start of opening up the game, you literally see him staring at you from a window, stalking you almost. Fake Party Ending When following the steps for the ending, you will then be thrown at Subject_0, which they exclaim the disturbing quote of wanting the taste of the player's lungs. Before jumpscaring them. Re-education ending Once again abiding to the ending leads you to it levitating in the test chamber, clicking on the buttons seen on the floor will play the sike thats the wrong number meme sound, and a group of robloxians will appear. Click on a button the third time and while the group appears they will suddenly explode. Subject_0 will exclaim that the player needs some "re-education" and sends them to the ending room. Sacrifice Ending When entering the room, you will slightly see some partygoers in the mist. The light suddenly turn on and party music rolls, there is one in particular that may be related to Subject_0. The partygoer appears as a subject, but with all white clothing and a distinct smile from the rest of the partygoers. This is the only appearance Subject_0 has in the ending because after you "steal" the cake, the partygoers become black figures similar to ERROR_. Refusal Ending When arriving home, you can see Subject_0 just outside your house's window, after a bit he disappears before manifesting again behind your couch, singing the "Happy Birthday Song" until jumpscaring you. Ascension Ending You will see a set of stairs leading to a truss after dying, climbing up the truss (which is the only option) leads you to Heaven with Subject_0 on the other side in some sort of angelic form. It later jumpscares you after some discussing. Virus Ending Following the criteria of the ending leads you to a large room in the Theatre with Subject_0 in a corner of the room isolated from the player, turned away. As you inch closer you suddenly stop, Subject_0 tilts its head around, then “crashes” your game and gives you the code to The Rift. Good Ending As the D.E.R.P attempts to launch its back-up safety protocols, the misty form of Subject_0 materializes in the room, following ERROR_, as you three get teleported at different Rift Positions. Once making it to the cutscene inside of the Simulation Lab, ERROR_'s plot on infecting the player is ended as Subject_0 pierces the entity with its sword, causing it to explode in shreds. It observes the player before disappearing, leaving a message on the wall beside you instructing to "End it where it began," going to the room in the left sports a lab set with a capsule that features Subject_0 in its human form. On a flat screen, you are given the choice to disable life support for the subject, one choice leaving him in peace, the other leaving him to suffer. Clicking yes will disable life support, another message appears on the wall, reading "Thank you." EASTER UPDATE In the Easter room, Subject_0 will appear with Subject_1 and many other guests to introduce an obstacle course to the player. Once the player successfully beats it, they will be locked in a room with the same people, Subject_0 will announce to the player of his sad failure, claiming they reached last out of all the participants, then after jumpscaring you, sending you back to the start of the game. Stalker also mentions Subject_0, along with Subject_1, Subject_2, Subject_3. Trivia Subject_0’s Simulation Pod was older, and required life support to sustain him. He needed the player to push it because “story.” Subject_0 is a male due to ERROR_ referring to him as one in the Theatre. Subject_0 kills you in the Bad Ending out of pure revenge of not setting his soul free. Subject_0’s favorite holiday is Hanukkah, which could hint he’s a Jew. Subject_0’s voice can vary, since at one point, he sounded like tinfoilbot, while on the other hand he said “FATALITY” in a distorted voice. Subject_0 sometimes likes being creepy, like when he wrote a sentence for the player’s lungs to make him seem scary (or as 8DSK once said, it could hint he needed better lungs.) Subject_0 created the thumbnail for the game. Subject_0 and ERROR_ were once in a battle once a part of him became sentient, and Subject_0 imprisoned ERROR_ in a black cube in the Theatre declaring him winner. He created many aspects of the simulation and virtual beings, such as the humans, and Bob the Monster Wall; he did not create the Rift however as it was built into the simulation by itself. Subject_0 is an actual god, as he was mentioned by Stalker in one of his lines and was confirmed that he created most of the aspects in the game, such as the Non-Subjects. Also with the given fact of the Ascension Ending featuring Subject_0 in a godly form. The outfit Subject_0 wears in the Ascension Ending is Eumyrean Reignment. Subject_0 is the first person to enter the simulation, having full God-like control. Gallery Subject_0 behind a window. Subject_0 behind a window. Subject_0 in the Fake Party Ending, exclaiming his desire of tasting the player's lungs. Subject_0 in the Fake Party Ending, exclaiming his desire of tasting the player's lungs. Subject_0 blocking the player from returning back, letting out yellow particles. Subject_0 blocking the player from returning back, letting out yellow particles. Subject_0 outside a window during the Refusal Ending. Subject_0 outside a window during the Refusal Ending. Subject_0 in the same ending behind the couch. Subject_0 in the same ending behind the couch. Subject_0 during the Virus Ending before “crashing” your game and giving you the code. Subject_0 during the Virus Ending before “crashing” your game and giving you the code. Ditto, but more far, exposing more of it's aura. Ditto, but more far, exposing more of it's aura. Subject_0 's human form as seen inside its capsule in the Good Ending. Subject_0 's human form as seen inside its capsule in the Good Ending. Proof that the Bad Ending was all just revenge on Subject_0's end. Proof that the Bad Ending was all just revenge on Subject_0's end. Ditto, but more clear. Ditto, but more clear. Ditto, but farther away. Ditto, but farther away. Ditto, but so close you can make out its appearance. Ditto, but so close you can make out its appearance. Subject_0 levitating with his arm out. Subject_0 levitating with his arm out. Subject_0 levitating again during the Re-education Ending. Subject_0 levitating again during the Re-education Ending. Subject_0 's supposed "disguise" during the Sacrifice Ending. Subject_0 's supposed "disguise" during the Sacrifice Ending. Subject_0 represented as an angelic figure during the Ascension Ending. Subject_0 represented as an angelic figure during the Ascension Ending. Subject_0 in its mist form near the D.E.R.P. Subject_0 in its mist form near the D.E.R.P. Subject_0 standing over the player, observing them after their murder of _ERROR. Subject_0 standing over the player, observing them after their murder of _ERROR. Proof on Subject_0's name. Proof on Subject_0's name. Subject_0 in the EASTER UPDATE. Subject_0 in the EASTER UPDATE.