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# Challenges

Choose a topic, check the difficulty and work towards your next solve.

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Challenges marked Computer need a terminal or desktop tools.

22 challenges found | filtered

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Misc Computer: You will analyse downloaded files, which usually needs a computer. Medium

Smart deal

Smart deal or smart dill?

150 points 4 solves
Misc Computer: You will analyse downloaded files, which usually needs a computer. Medium

Obsidian

You've found the portal to the Nether and saved the coordinates on the map. Take your pickaxe, dig for the last piece...

150 points 5 solves
Misc Computer: You will analyse downloaded files, which usually needs a computer. Easy

Wires

zTXt

50 points 13 solves
Misc Computer: You will analyse downloaded files, which usually needs a computer. Easy

Public Decryption Formula

Public Decryption Formula (PDF) is the ultimate hacker's dream cheat sheet! It's a top-secret recipe to unl...

50 points 4 solves
Misc Computer: You will analyse downloaded files, which usually needs a computer. Easy

Konia 3310

Win the game! Flag format: LearnIT{[a-z]*}

50 points 5 solves
Misc Computer: You will analyse downloaded files, which usually needs a computer. Easy

Glue-inator

Doofenshmirtz created a new evil device, the splitter-inator, you have to create a glue-inator and repair the picture.

100 points 5 solves
Misc Computer: You will analyse downloaded files, which usually needs a computer. Easy

Ducks Tossing Mini Frisbees

In a dimly lit alleyway, a secret agent known as "Whisper" swiftly handed you a note before disappearing into the nig...

100 points 4 solves
Misc Computer: You will analyse downloaded files, which usually needs a computer. Easy

Curse Hunter (2)

As you're running toward the location, a 27-year-old guy approaches you and starts talking. "Hi, my name is Ijichi...

100 points 4 solves
Misc Computer: You will analyse downloaded files, which usually needs a computer. Easy

Art

Can you find the secret behind this picture?

50 points 2 solves
Misc Computer: This challenge connects with nc or SSH, which needs a terminal. Expert

Schrodinger Files

A file that exists and does not exist at the same time.

400 points 0 solves
Misc Computer: This challenge connects with nc or SSH, which needs a terminal. Hard

Quantum Cookie Jar

A quantum experiment with cookies. Spooky action at a distance.

250 points 4 solves
Misc Computer: This challenge connects with nc or SSH, which needs a terminal. Medium

PyJail 2

A tighter Python jail with more characters blocked. Think creatively to break free.

150 points 4 solves
Misc Computer: This challenge connects with nc or SSH, which needs a terminal. Easy

PyJail 1

You are trapped in a Python sandbox with restricted input. Escape the jail by executing code despite the blacklist.

50 points 5 solves
Misc Computer: This challenge connects with nc or SSH, which needs a terminal. Medium

Regex

Ten rounds of pattern matching. How sharp are your regex skills?

150 points 3 solves
Misc Computer: This challenge connects with nc or SSH, which needs a terminal. Hard

Maze

Navigate through a series of mazes. Speed and precision are key.

250 points 2 solves
Misc Hard

Cursed Math

Cursed math equations hidden behind strange characters. Can you keep up?

250 points 2 solves
Misc Computer: This challenge connects with nc or SSH, which needs a terminal. Easy

Math Challenge

50 points 6 solves
Misc Computer: This challenge connects with nc or SSH, which needs a terminal. Medium

Hangman

A classic game of Hangman. The word might be simpler than you think.

150 points 2 solves
Misc Computer: This challenge connects with nc or SSH, which needs a terminal. Medium

Bear Ninja Cowboy 4

The game adapts to your play style. Can you outsmart an opponent that learns from your moves?

150 points 1 solves
Misc Computer: This challenge connects with nc or SSH, which needs a terminal. Medium

Bear Ninja Cowboy 3

The computer picks its moves using a random number generator. But is it truly random?

150 points 2 solves
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