Invulnerability Glitch and Citadel Skip: Difference between pages

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[[File:Invulnerability Glitch in Weapons Factory.gif|frame|Using the JET-Board in the Weapons Factory slime to activate Invulnerability Glitch.]]
[[File:Citadel Skip.gif|frame|Using a pause buffer to perform Citadel Skip.]]
Invulnerability glitch, sometimes called invul, is a glitch that allows Jak to stay alive while in a dead/dying state. The glitch is primarily used in the Any% and Gunless categories to assist with boss fights and make specific skips possible. The glitch is removed by bonking into a wall, clipping inside of an enemy's character model as it attacks, using the warp gate, dying in the void, resetting mission, loading a save file, or dying by too much fall damage.  
[[File:Citadel Skip Documented on flyingomelette.PNG|thumb|Earliest known online documentation of Citadel Skip on flyingomelette.com]]
'''Citadel skip''' is a skip in [[Jak and Daxter: The Precursor Legacy]] that spawns Jak at the end of Gol and Maia's Citadel. This bypasses all of the tasks required to progress to the final boss. Once at the end of Gol and Maia's Citadel, Jak is free to collect the last cell that frees Samos from his cage and take the elevator up to the final boss.
 
There are two main variants of the skip: The Save and Load variant and the [[Pause Buffer|pause buffer]] variant. The save and load variant was encountered almost immediately after the release of the game by casual players who decided to save and load their game after watching the first Citadel cutscene upon entering the level. This occurred so often during casual play that [[Naughty Dog]] patched the skip in later releases of the game, including late Black Label copies, the Greatest Hits version, the Jak and Daxter Collection on the PlayStation 3, and the Jak and Daxter Bundle on the PlayStation 4 and 5.
 
To perform the Save and Load variant, you need to enter Gol and Maia's Citadel and watch the first cutscene with Samos in his cage. After the cutscene is over and you regain control over Jak, save your game and then load the game file you just saved. You should then load in at the top of the Citadel in front of the door that leads to the elevator. From here you are free to collect the last power cell that opens the elevator door and proceed to the final boss fight. To perform the Pause Buffer variant, you need to stop at the entrance of Gol and Maia's Citadel right before you trigger the Samos cutscene. From here, you will need to perform a pause buffer, roll jump through the cutscene trigger, then die in the void. After unpausing, the cutscene will be skipped and Jak will respawn at the top of the Citadel in front of the elevator door.


== Tutorial ==
== Tutorial ==
<youtube>https://www.youtube.com/embed/ecm6HWA6ja4</youtube>
=== Version 1 ===
<youtube>https://www.youtube.com/watch?v=1mlROnrVY3c</youtube>
 
=== Version 2 ===
The phrase "Citadel Skip" usually refers to the first version of the skip where Jak warps up to the end of the level by using a [[Pause Buffer | pause buffer]]. However, there exists an alternative version of Citadel skip for those who have the first version patched. This version is commonly referred to as V2, short for Version 2, and has different variations as well. The current and easiest variation is V2.1, which involves punch uppercutting into slide collision that gives Jak enough height to ledge grab a moving platform above.
 
<youtube>https://www.youtube.com/watch?v=Bw-BddAFI00</youtube>


== Technical ==
== Technical ==
The invulnerability glitch has two different states: State 1 and State 2. More commonly referred to as Invul 1 and Invul 2. By interrupting Jak's death sequence on the same frame it is supposed to occur, Jak can enter an invulnerability state where he is allowed to move throughout the world, but the game thinks he is dead. Actions that can interrupt the death sequence include dismounting the JET-Board and swimming up through a plane of dark eco.


=== Invul 1 ===
== Discovery ==
When Jak first interrupts the death sequence, Jak is able to traverse on death planes and continue moving within the world. However, the game believes Jak is dead, which causes the following side effects:
Many casual players encountered the save and load variant of Citadel skip in the early releases of the game. The pause buffer variant of Citadel skip was discovered by [[User:blahpy|blahpy]]. Citadel skip was first documented online on March 29, 2006 on the glitches page of [https://flyingomelette.com/glitches.html flyingomelette.com].


* Enemies will no longer target Jak.
<youtube>https://www.youtube.com/watch?v=0wiRrqQMmZc</youtube>
* Jak can't pick up ammunition, skull gems, eco, or precursor orbs.
* Jak can't use vehicles, weapons, Dark Jak, or the JET-Board.
* Jak can't speak to non-playable characters or side mission holographic terminals.
* Jak can't ledge grab.
* Jak can walk on all death planes except the void.


=== Invul 2 ===
Citadel Skip V2 was discovered by [[User:Bobbykaze|Bobbykaze]].
To achieve the second state of invulnerability, Jak needs to take fall damage. Or "splat" as some call it. The splat animation that occurs when taking fall damage acts as a check that lets the game know that Jak is still alive. After the splat, all of the side effects of Invul 1 will be negated except the main invulnerability effect.
 
== Discovery ==
The JET-Board method of entering the invulnerability state was discovered by Djtomjak73 on September 11, 2015.  


<youtube>https://www.youtube.com/watch?v=43TUEqHInNg</youtube>


{{Glitches}}
{{skips}}

Revision as of 19:24, 16 February 2024

Using a pause buffer to perform Citadel Skip.
Earliest known online documentation of Citadel Skip on flyingomelette.com

Citadel skip is a skip in Jak and Daxter: The Precursor Legacy that spawns Jak at the end of Gol and Maia's Citadel. This bypasses all of the tasks required to progress to the final boss. Once at the end of Gol and Maia's Citadel, Jak is free to collect the last cell that frees Samos from his cage and take the elevator up to the final boss.

There are two main variants of the skip: The Save and Load variant and the pause buffer variant. The save and load variant was encountered almost immediately after the release of the game by casual players who decided to save and load their game after watching the first Citadel cutscene upon entering the level. This occurred so often during casual play that Naughty Dog patched the skip in later releases of the game, including late Black Label copies, the Greatest Hits version, the Jak and Daxter Collection on the PlayStation 3, and the Jak and Daxter Bundle on the PlayStation 4 and 5.

To perform the Save and Load variant, you need to enter Gol and Maia's Citadel and watch the first cutscene with Samos in his cage. After the cutscene is over and you regain control over Jak, save your game and then load the game file you just saved. You should then load in at the top of the Citadel in front of the door that leads to the elevator. From here you are free to collect the last power cell that opens the elevator door and proceed to the final boss fight. To perform the Pause Buffer variant, you need to stop at the entrance of Gol and Maia's Citadel right before you trigger the Samos cutscene. From here, you will need to perform a pause buffer, roll jump through the cutscene trigger, then die in the void. After unpausing, the cutscene will be skipped and Jak will respawn at the top of the Citadel in front of the elevator door.

Tutorial

Version 1

Version 2

The phrase "Citadel Skip" usually refers to the first version of the skip where Jak warps up to the end of the level by using a pause buffer. However, there exists an alternative version of Citadel skip for those who have the first version patched. This version is commonly referred to as V2, short for Version 2, and has different variations as well. The current and easiest variation is V2.1, which involves punch uppercutting into slide collision that gives Jak enough height to ledge grab a moving platform above.

Technical

Discovery

Many casual players encountered the save and load variant of Citadel skip in the early releases of the game. The pause buffer variant of Citadel skip was discovered by blahpy. Citadel skip was first documented online on March 29, 2006 on the glitches page of flyingomelette.com.

Citadel Skip V2 was discovered by Bobbykaze.

Skips in the Jak and Daxter series
Jak and Daxter: The Precursor Legacy Sequence Breaking Skips Fire Canyon SkipBoulder SkipLava Tube SkipCitadel Skip
Cutscene Skips Blue Sage Cutscene SkipGondola SkipPower Cell Cutscene SkipsRed Sage Cutscene SkipKeira Cutscene Skip
Other Skips Bite SkipCave HopsCitadel HopsFortress SkipGondola SkipKlaww SkipLPC Elevator SkipOranges SkipPiggyback SkipPuzzle SkipRock HopsTower ClimbTree HopsYellow Vent Skip
Jak II Sequence Breaking Skips Mar's Tomb SkipRobot SkipPercent Warp
Other Skips Checkpoint WarpKrew SkipLap SkipShaft SkipUnderport Skip
Jak 3 Sequence Breaking Skips BTR SkipKleiver SkipCave SkipVolcano SkipAshelin SkipTemple SkipSewers SkipHaven Skip
Other Skips placeholder1 • placeholder2
Jak X Track Skips Badland SanctuaryBeachfront DriveCanyon RunCity OutskirtsDethdromeEastern TourForbidden JungleFrozen SpeedwayGlacier AlleyHaven CityIcebound CitadelKras CityLoading DocksMountaintop HighweayNorther TourPrecursor TempleSeaport StripSewer RacewaySouthern TourSpargus CityTimberline TrackWaterfront LoopWaterworks CircuitWestern Tour
Daxter Sequence Breaking Skips Construction Site 1 SkipConstruction Site 2 SkipPrison Door SkipStrip Mine 2 SkipTanker Skip
Other Skips placeholder1 • placeholder2
Jak and Daxter: The Lost Frontier Sequence Breaking Skips placeholder1 • placeholder2
Other Skips placeholder1 • placeholder2