Learn exactly how to get the egg in Deltarune Chapter 2. Discover the secret Cyber City tree room location, what the egg does, and Weird Route secrets!
Just like in the first chapter, creator Toby Fox hid a bizarre, seemingly useless secret item deep within the neon-lit streets of Cyber City. The recurring mystery of the Deltarune secret egg has become one of the game’s most fascinating easter eggs, requiring patience, luck, and a strange encounter with the elusive man behind the tree.
If you want to know exactly how to find this hidden item, what happens if you drop it, where to put it in the Light World, and how it directly interacts with the game’s infamous alternate paths, you are in the right place. Here is your comprehensive, top-to-bottom guide.
Where to Find the Chapter 2 Egg Location in Cyber City
Finding the Deltarune egg Cyber City location requires navigating through specific enemy encounters, a bit of grinding, and a keen eye for transition zones. Here is the exact step-by-step process:
- Survive the Traffic Puzzle: Progress through Chapter 2 normally until you reach the third major traffic puzzle in Cyber City. This is the area featuring automated cars zooming past safe zones, guarded by Tasques and Virovirokun enemies. You will know you are in the exact right room when the Annoying Dog famously runs you over in a little pixelated car, triggering a hilarious, fake Undertale-style Game Over screen before letting you continue.
- Find the Dog Dumpster Room: After recovering from the fake Game Over, navigate to the bottom-left corner of this traffic area. You will enter a small, seemingly dead-end alleyway transition zone featuring a doodle of a tree on the back wall. This area is commonly referred to by the community as the dog dumpster room.
- Pace Back and Forth: You must repeatedly walk back and forth between the bottom of the traffic room and the top of the dumpster alleyway. Simply cross the screen transition boundary, turn around, and cross it again.
Tip: Hold down the run button to speed up your movement across the transition line. Because this relies purely on chance, moving faster makes grinding out the spawn rate much less tedious!
- Claim the Prize: Once you successfully trigger the secret room, the background music will immediately stop, replaced by an eerie silence. You will find a single red-leafed tree in the center of an otherwise empty, dark area. Walk behind the tree and interact with it. The text box will state that a man is offering you something. Accept the offer, and you will receive the Egg.
Spawn Rates: What Are the Chances of Finding the Egg Room?
Every time you cross the transition line between the traffic puzzle and the dumpster alley, the game rolls a random number. There is exactly a 2% chance (a 1 in 50 probability) that the game will seamlessly teleport Kris and Noelle into the secret tree room instead of the normal alleyway.
Because the chances are relatively low and entirely based on RNG (Random Number Generation), your experience will vary. You might trigger the room on your second try, or you might have to walk back and forth across the screen transition for five to ten minutes before the room finally spawns.
Fact: This 2% spawn rate is the exact same mathematical probability used for finding the Chapter 1 Egg room behind the tree in the Scarlet Forest!
Why Isn’t the Egg Room Appearing?
If you have been pacing back and forth for a significant amount of time and the room simply will not spawn, there are three possible reasons you are locked out:
- Bad RNG: At a flat 2% spawn rate with no “pity timer” built into the code, you might just be experiencing a streak of bad luck. Keep trying, ensuring you fully cross the screen boundary each time.
- You Already Left the Room: This is a critical mechanic: if you successfully entered the tree room but exited without grabbing the Egg—or if you left after grabbing it—the room permanently de-spawns. You cannot re-enter the tree room on the same save file under any circumstances.
- You are on the Weird Route: If you have initiated the dark, alternate story path (the Snowgrave route), the room mechanics are completely overwritten.
What Does the Secret Egg Do in the Light World?
One of the most fascinating lore details about the egg is that it is the only item in the entire game that does not change form when brought from the Dark World into the Light World (unlike your weapons and armor, which turn back into pencils and Halloween props).
While the Egg has absolutely no practical use in combat and offers no stat boosts, keeping it in your inventory unlocks a few highly specific, humorous interactions once you return to Hometown:
- The Sans Store Basket: If you head over to the grocery store in Hometown, you will find a basket of eggs sitting near Sans. You can place your secret egg directly into the basket. If you do, Susie will make a joke about Kris “reverse-stealing” the Egg. Checking the basket afterward updates the flavor text to reveal there are now “more eggs than usual.”
- The Temmie Desk: If you choose to keep the egg in your inventory and visit the school classroom, talk to Temmie. She will proudly take the egg and place it right on her desk, declaring it her new partner. Interacting with this “leader Egg” will actually display the total number of secret Eggs you have successfully collected and donated across all chapters so far, acting as a secret tracker.
- Asgore’s Refrigerator: If you attempt to drop the Egg directly from your menu inventory while standing in the Light World, the game will give you a confused prompt asking, “What Egg?” The item will vanish, but don’t panic—it will safely reappear in your key items the next time you enter a Dark World. However, dropping it actually triggers a hidden flag: it causes an egg to mysteriously spawn inside Asgore’s refrigerator in his flower shop, piling up next to the pickle jar.
Fact: If you successfully collected the Egg from Chapter 1 and placed it in the fridge, depositing the Chapter 2 Egg will update the game’s text to explicitly state there are now two eggs safely nestled inside!
Can You Get the Egg During the Weird Route (Snowgrave)?
The short answer is no: completing the Weird Route and getting the egg are completely mutually exclusive on a normal, glitch-free playthrough.
The egg room becomes hard-locked and disabled the moment you view the altered forcefield puzzle cutscene (the specific moment where you actively pressure Noelle by choosing the dialogue options “it’s horrible” or “it’s natural” after forcing her to acquire the FreezeRing).
Furthermore, you cannot access the egg room before that cutscene. If you attempt to progress to the egg room and come back for the ring, viewing the normal route version of that forcefield puzzle cutscene will immediately and permanently abort your Weird Route run, ruining your attempt to fight Spamton NEO on this path.
The Loophole: Aborting the Weird Route to Get the Egg
There is a highly specific, intentional workaround to get the best of both worlds by failing the route midway through:
- Progress the Weird Route normally by freezing all enemies up until you reach the dog dumpster and buy the ThornRing directly from Spamton.
- During your subsequent confrontation with Berdly, intentionally abort the route by defeating him using any method other than the fatal SnowGrave spell (e.g., use normal attacks or standard IceShock).
- The game will play a distinct cancellation sound effect and revert back to the normal Chapter 2 timeline. The Annoying Dog room is restored to its normal state, allowing you to access the tree room while keeping the ThornRing in your inventory (which is highly recommended, as it is required for a hidden blacksmith recipe to forge the powerful Twisted Sword).
Tip: If you use this loophole to abort the Weird Route and get the Egg, remember that you will be locked back into the standard Chapter 2 ending. You will not get to experience the chilling alternate ending or the unique fountain boss fight.
What Happens If You Miss the Secret Egg in Deltarune?
If you accidentally complete the chapter without grabbing the Egg, you might be worried about long-term consequences for your save file.
Immediate Impact on Your Save File
Currently, missing an Egg does not lock you out of any major story content, alternate endings, or secret boss fights.
Because Deltarune releases in episodic chapters, your save file data carries over directly into the next installment. The immediate consequence of missing the Chapter 1 or Chapter 2 Egg is simply that you will have fewer Eggs to place in Asgore’s fridge or on Temmie’s desk.
Future Chapter Implications
However, because Toby Fox specifically programmed these items to persist across chapters and blatantly bypass the established Light World/Dark World transformation rules, the community strongly suspects that achieving a 100% Egg collection will unlock a significant secret encounter, unique dialogue, or a special ending once all seven chapters are finally released.
Who is the Mysterious Man Behind the Tree?
The man who silently hands you the egg and immediately disappears is one of the game’s most heavily debated lore mysteries. The text box describes the encounter ominously: “Well, there is not a man here. He might be behind the tree.” After receiving the egg, the text shifts slightly to: “Well, there was not a man here.”
The community overwhelmingly believes this hidden figure is tied to the infamous, shattered former Royal Scientist, W. D. Gaster.
The biggest piece of evidence backing this theory comes from the game’s internal fonts and naming conventions. If you translate the English word “EGG” into the Wingdings font (which is Gaster’s signature, canonical typeface from Undertale), the resulting hand symbols (👉☝☝) point in directions that perfectly map out the movement of a knight in chess (one step horizontally, two steps vertically).
This knight chess motif fits flawlessly with Deltarune’s overarching themes of board games, royalty, control, and unseen players moving the pieces from the shadows. Furthermore, the tree room itself behaves very similarly to Room 268 in Undertale—the infamous, RNG-based hallway where players could rarely encounter the Mystery Man sprite, widely accepted to be Gaster himself.
Fact: The background sound that plays in the tree room is internally named “man,” which is heavily associated with the file names used for Gaster-related assets in Toby Fox’s previous work!
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