Everything Expected in the Fortnite v42.20 Update: Kingdom Hearts, Loot Hacks, Lobby Codes, and More

The Fortnite v42.20 update is on the horizon, and it looks set to be one of the most substantial patches of Fortnite Chapter 7 Season 4. Scheduled for Thursday, September 17, at approximately 4 AM PT / 7 AM ET, this update promises to deliver the highly anticipated Kingdom Hearts crossover alongside a wave of new gameplay items, lobby hacks, and potential teasers for Fortnitemares 2026. Whether you’re a dedicated skin chaser or a competitive player chasing the Sora Cup, there’s plenty to unpack here.

When Is the Next Fortnite Update? V42.20 Release Date

Epic Games has scheduled the Fortnite v42.20 patch for Thursday, September 17, with downtime expected to begin around 4 AM PT / 7 AM ET. Exact server restoration timing will depend on how long the team needs to bring everything back online. The patch is shaping up to be a milestone one, introducing several gaming collaborations that were first teased in the original Override trailer — most notably Kingdom Hearts, which has been one of the most requested crossovers in recent memory.

Beyond the headline collab, the update is also expected to surface files connected to Ironmouse, Cyberpunk: Edgerunners, PAC-MAN, and possibly Persona. While not all of these will necessarily launch at the same time, their presence in the update signals an ambitious season ahead.

Upcoming Fortnite Collaborations in the September 17 Update

The crown jewel of this update is the Kingdom Hearts crossover, which brings four Item Shop skins — Sora, Riku, Kairi, and Roxas — alongside a Kingdom Key Mythic item and themed island changes. This has been one of the most heavily anticipated collaborations in recent Fortnite history, and it appears the full package is finally arriving.

Here’s a rundown of the collaborations expected in or around v42.20:

• Kingdom Hearts Bundle: Sora, Riku, Kairi, and Roxas — September 17
• PAC-MAN: Sidekick and Kicks — September 18
• Ironmouse: Icon Series skins, emotes, and cosmetics — September 18
• Cyberpunk: Edgerunners: Lucy and themed cosmetics — Release date TBD
• Persona: Collaboration content — Release date TBD
• Five Nights at Freddy’s: Possible Fortnitemares teaser — Not confirmed

New Fortnite Loot Hacks Coming September 17

The v42.20 update is also expected to refresh the weapons and items available through Loot Hacks. Notably, the Deadeye Assault Rifle is reportedly being removed from the pool, though players will still have solid long-range options with the Reaper Sniper Rifle and Deadeye DMR remaining available.

The following new items are expected to enter the Loot Hack rotation after the September 17 update:

• Hyperburst Pistol
• Mammoth Pistol
• Reaper Sniper Rifle
• Deadeye DMR
• FlowBerry Fizz
• Rocket Ram

Epic Games could still make last-minute adjustments before the update goes live, but since the publisher itself published this list, it’s likely close to final.

New Fortnite Lobby Hack Codes

Several new Fortnite Lobby Hack codes tied to upcoming collaborations have been discovered in the game files. These admin panel codes are expected to activate either on September 17 or sometime after the patch lands. Here’s what we know so far:

The rewards these codes unlock remain unknown since they haven’t been activated yet. The DestinyAwaits code, tied to Kingdom Hearts, was reportedly discovered by dataminer Blortzen, who found it hidden inside a Kingdom Hearts marketing video. More details should emerge once v42.20 goes live.

New Fortnite Gummy Sprites Might Be Added

Though Epic Games hasn’t officially confirmed this, Fortnite Gummy Sprite variants are very likely arriving in this update. Dataminers uncovered the list of upcoming variants by examining the Crown Sprite’s master method.

Additionally, a Holo Sprite variant may also be on the way, as it appeared in the game files. At the time of reporting, Epic has not confirmed any new sprites launching on September 17, so this remains subject to change.

Fortnite V42.20 Update Features

Popular dataminer HYPEX shared a comprehensive breakdown of content reportedly arriving in the September 17 patch. Here’s a detailed look at what’s expected.

New Gameplay Items and Features

The update is expected to introduce additional sprites and sprite variants alongside several crossover weapons. Among those reportedly in the pipeline are Sora’s Kingdom Key, Rebecca’s Guns, and Lucy’s Monowire from Cyberpunk: Edgerunners. PAC-MAN-themed gameplay elements are also coming, including a maze featuring the franchise’s iconic ghosts — a feature that was teased on the official PAC-MAN social media accounts.

Map and Story Changes

New storyline voice logs are reportedly being added to the game, while Geno’s portal will continue to evolve and expand. The Island may also begin transitioning toward Fortnite’s ninth birthday and Fortnitemares 2026. According to HYPEX, Battlewoods will eventually be replaced by a Halloween-themed point of interest, and changes may appear around the location believed to become the Five Nights at Freddy’s pizzeria.

New Rewards and Events

The update is expected to add the Sprite Mastery Back Bling and this season’s Battle Pass Super Styles, allowing players to finally display their Chapter 7 Season 4 sprites on their backs. A Sora Cup is also scheduled for September 18, where eligible players can compete to unlock the Sora skin, with eight points earning a themed spray.

Fortnite Ninth Birthday Event

A Fortnite ninth birthday celebration is expected to kick off either this week or next. Dataminers have surfaced the following features believed to be part of the event:

• Birthday quests
• Free cosmetic rewards
• A new Birthday Sprite
• A redesigned Birthday Battle Bus

Epic Games has not confirmed the event’s exact start date or whether it’s happening this year. However, all of these features were identified through datamining, lending significant credibility to the reports.

Returning Fortnite Packs

Two older cosmetic packs are also expected to return shortly after the update lands:

• Batman Caped Crusader Pack: September 17
• The Final Reckoning Pack: September 18

The Fortnite v42.20 update arrives alongside the Kingdom Hearts crossover, with downtime starting at approximately 4 AM PT / 7 AM ET. Given the volume of content reportedly being added — from crossover weapons to birthday event mechanics — this could be one of the longest patch days in recent memory. Players should plan accordingly and check back once the servers are back online for the full picture.

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