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April 4, 2026

Where to Find All of Hacker’s Blue Checkmarks

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In Chapter 2 of Deltarune, you may come across a character named Hacker, who will task you with finding three blue checkmarks scattered throughout the Cyber Field. Although these checkmarks are optional, finding each of them is tied to one of the Chapter’s main secrets. Those who uncover each checkmark will be able to face Chapter 2’s secret boss, but only after they do everything the NPC Hacker asks.

After entering the Library’s Dark World, the Cyber Field is the first main area you’ll explore. To find Hacker, progress through the area normally, then enter the place where you can find two robots with stereos for heads after your first confrontation with Queen. By using the east exit here, you can go upward on the next screen to find Hacker, starting your journey to Chapter 2’s secret boss fight.

Every Blue Checkmark Location In Deltarune Chapter 2

Find All The Hidden Items In The Cyber World’s First Area

Immediately after leaving Hacker’s area to begin the search for Deltarune’s blue checkmarks, you need to continue south to return to the main path. Every blue checkmark you’re looking for will pop out of a red chest or be released from a puzzle, going back to Hacker for you to view and giving you a useful item for your party.

The table below will tell you the location of each blue checkmark, as well as what other item you get from the chest it was in if applicable:

Blue Checkmark

Location

Other Chest Item

Blue Checkmark #1

From Hacker, head south back onto the main path. Progress through one section of the bullet-dodging obstacles to your right, then go south again before crossing the second. Go to the bottom right, where the red chest with the checkmark can be opened.

GlowWrist

Blue Checkmark #2

In the room with two robots with stereo heads, have Susie, Ralsei, and Kris in Deltarune all jump onto the spinning teacup platform in the middle of the area. Rotate the platform to intercept all 16 updward arrows, then jump off and open the chest with the checkmark.

None

Blue Checkmark #3

In the same stereo robot room, use the leftmost teacup platform to rise up. After this, travel upward to another area with a large series of keys with letters you can press to spell out a word. Carefully use the keys to spell the word “GIASFELFEBREHBER” to unlock the final checkmark.

None

Initially, a forcefield blocks the immediate path north to the second and third checkmarks, so you’ll need to continue eastward to find the “AGREE 2 ALL” keyboard puzzle first. After completing this, you should return to where the forcefield was previously and proceed along the path to find the area with three teacup rides. This will let you gain access to the other two checkmarks as you use the teacup platforms to rise into other areas.

Thankfully, there are no consequences for failing a puzzle to unlock a checkmark. Whenever Kris hits a wrong key in a keyboard puzzle, they will simply jump off and have the opportunity to start again.

Players can return to Hacker to give him all three of the blue checkmarks they’ve collected throughout the Cyber Field. He will set off a fireworks display as an immediate reward, but Hacker will also reappear later in the Queen’s Mansion. When encountered again, Hacker will mention a secret passageway, which is a necessary location for discovering one of the main secrets in Deltarune‘s Chapter 2.

For anyone who wants to get Chapter 2’s Shadow Crystal, they’ll need Hacker’s help after getting all the checkmarks. Although there is no immediate reward for finding all of Hacker’s blue checkmarks in Deltarune Chapter 2, they are something you don’t want to miss.


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Deltarune

Systems

PC-1

Released

October 31, 2018

ESRB

Teen // Language, Suggestive Themes, Mild Blood, Fantasy Violence

Developer(s)

Toby Fox

Publisher(s)

Toby Fox

Engine

gamemaker



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