How To Get Keygen in Deltarune

Deltarune Chapter 2, the highly anticipated follow-up to Toby Fox’s beloved RPG, is packed with hidden secrets, Easter eggs, and challenging boss fights. One of the most elusive secrets involves obtaining the KeyGen, a special item that unlocks access to a hidden boss—Spamton NEO.
If you're looking to uncover every secret in Deltarune Chapter 2, this step-by-step guide will walk you through how to get the KeyGen, where to use it, and how to trigger the secret boss battle.

How to Get the KeyGen in Deltarune Chapter 2

1. Reach Queen’s Mansion

Before you can obtain the KeyGen, you must progress through the story until you reach Queen’s Mansion. Near the entrance, you’ll find a red door outside the Color Café—this acts as a fast-travel point to different locations.

2. Travel to the Trash Zone

Interact with the red door and select "Trash Zone" from the list of destinations. This will take you back to the area where you first encountered Spamton, the quirky salesman.

• Move left and follow the path until you reach the end of the street.
• Look for a hole in the fence along the wall—this leads to Spamton’s hidden shop.

3. Purchase the KeyGen from Spamton

Inside Spamton’s shop, interact with him and select the "BUY MORE!!!" option. A rotating list of items will appear, with the KeyGen at the top.

• The price fluctuates wildly, ranging from 0 to 19,990 Kromer.
• Wait until the price drops below 100 Kromer before purchasing.
• If the price is too high, decline and wait for a better deal.

Once bought, the KeyGen will appear in your Key Items inventory.

How to Use the KeyGen in Deltarune Chapter 2

1. Progress to the Second Floor of Queen’s Mansion

After obtaining the KeyGen, continue the main story until you reach the Second Floor. Here, you’ll assist the Tasque Manager with her tasks before moving forward.

2. Navigate the Speeding Cars Area

Beyond the main staircase, you’ll encounter a dangerous zone filled with fast-moving cars.

• Hit every red STOP button to halt traffic.
• After stopping all cars, a group of mice will clear the road.
• Enter the hallway on the right to find a statue room.

3. Activate the Hidden Switch

Inside the statue room, look for a large teacup structure with decorative pillars.

• Interact with the tall pillar on the right—this triggers a sound effect, indicating a secret switch has been activated.
• A hidden path will now open on the right side, leading to a secret door.

4. Enter the Basement

Go through the secret door to reach the mansion’s basement.

• Use the KeyGen on the green glowing lock to proceed.
• Traverse the maze-like corridors until you find an old robot.
• Interact with it to obtain the Empty Disk.

5. Return to Spamton’s Shop

With the Empty Disk in hand, go back to Spamton’s shop.

• Select the "TALKING" option, then choose "GIVE DISK."
• This action permanently locks you out of his shop, so buy any remaining items beforehand.

6. Fight Spamton NEO

After giving Spamton the disk, return to the basement and use the Loaded Disk on the old machine.

• This triggers the secret boss fight against Spamton NEO, one of the toughest battles in Deltarune Chapter 2.
• Prepare for a challenging encounter with unique mechanics and high-damage attacks.

Why You Should Unlock the Secret Boss

Defeating Spamton NEO rewards you with:

• Exclusive dialogue and lore insights.
• Unique rewards that enhance your gameplay.
• Bragging rights for conquering one of Deltarune’s hardest fights.

Final Tips for Deltarune Chapter 2’s KeyGen Quest

• Save often—some steps are irreversible.
• Farm Kromer if you need extra currency for Spamton’s shop.
• Experiment with different builds before facing Spamton NEO.

By following this guide, you’ll unlock one of Deltarune Chapter 2’s most thrilling secrets. Happy gaming!

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