Steganography
Decipher hidden messages and information hidden in other data
Time machine
Difficulty: Easy
Completed task: 240
Reward for completion: 250 points
Мем
Difficulty: Medium
Completed task: 107
Reward for completion: 400 points
Well, happy holidays!
Difficulty: Easy
Completed task: 152
Reward for completion: 350 points
Literary anomaly
Difficulty: Easy
Completed task: 61
Reward for completion: 300 points
New Year's card
Difficulty: Medium
Completed task: 43
Reward for completion: 350 points
With a naive signature to commemorate
Difficulty: Easy
Completed task: 35
Reward for completion: 450 points
The mystery of the pixels
Difficulty: Easy
Completed task: 30
Reward for completion: 200 points
Deal 2
Difficulty: Easy
Completed task: 484
Reward for completion: 200 points
Zoo
Difficulty: Hard
Completed task: 38
Reward for completion: 400 points
Neural network
Difficulty: Easy
Completed task: 72
Reward for completion: 200 points