How to find and use the KeyGen in Deltarune

Time of India

17-06-2025

(Image via Toby Fox)
Deltarune Chapter 2 secrets are deeper than the quirky characters suggest. Amidst these secrets is the powerful tool KeyGen, which acts as a literal key to confronting one of the most challenging and rewarding hidden encounters of the game.
Obtaining and deploying it is not that straightforward. It needs specific steps carried out across varied areas. The guide here thereby cuts through mystery and reveals how exactly you can secure KeyGen and where KeyGen's power unlocks some new paths.
How to find KeyGen in Deltarune
?
The hunt begins deeper within Cyber City Deltarune underbelly. As you reach the Queen's Mansion, use the red door transport system that's outside Color Café. Choose Trash Zone destination and return to Grim Street, where you first encountered the enigmatic Spamton.
KEYGEN | DELTARUNE CHAPTER 2 - PART 2
Then, navigate left through a desolate area till you find the break in fencing. To enter the hole leads you directly to Spamton's unique and ramshackle shop. There interact with him and just navigate the frantic menu. Choose the option 'BUY MORE!!!' and browse the chaotic rotating stock of Spamton.
The KeyGen will appear at the top of the list. Be aware that the price fluctuates quite wildly. It can even soar up to 20,000 Kromer.
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However, occasionally, it plummets dramatically. Your patience will be crucial here. So, wait for the price to dip below 100 Kromer. It's a true bargain moment for a hunter. As the price dips and the cost is just right, purchase KeyGen. It will then reside securely within your inventory of key items.
How to use KeyGen in Deltarune?
To possess KeyGen is just half the battle. You must return back to the Queen's Mansion and then progress through the main story.
There, advance to the 2nd floor and then assist the Tasque Manager with the duties. Next, proceed past the grand staircase to a hazardous zone that's filled with some speeding traffic.
To navigate the dangerous sections, make sure to hit every red Stop button on the way. It will summon the mice who will clear the path/roadblock. Next, enter the newly accessible hallway available on the right. It will lead to an ornate statue room.
This chamber hides crucial mechanisms for KeyGen.
In the room, a large and decorated teacup structure is located. Keep the focus on the tall pillar that's positioned to the right side. Interacting with a specific pillar will trigger a distinct sound effect, thereby confirming the hidden switch's activation. The action will further unlock a secret passageway that will lead to the mansion's basement. The KeyGen here is your ticket through a glowing green lock that's found deep in a maze-like underground area that's newly revealed.
It sets the stage for the epic confrontation.
Inside, you would find an old robot holding an Empty Disk. Take it back to the Spamton's shop and using the Talking option, give it to him. It would trigger the permanent change, locking you in a secret boss route. Do return to the basement for Deltarune Spamton NEO battle, one of the toughest challenge of Deltarune. Ensure to prepare thoroughly before you proceed. The challenge here demands you to be at your best.