ECHOTRAP

VVIT GUNTUR ACM Student Chapter is organizing an online technical event EchoTrap on Friday, May 16, 2025.

• The team size: 1

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Event Poster

EchoTrap was a ten-level digital escape challenge designed to test logic, memory, and problem-solving.

The journey began with Level 1, where players had to carefully observe and place images in the correct positions to clear the stage.

Level 2 presented a scrambled command, and only those who could rearrange the command correctly were allowed to proceed.

In Level 3, participants were faced with the classic 8-queens puzzle, requiring them to position all queens on a chessboard without any attacking each other. Level 4 brought a tricky challenge—spotting the mistake hidden within a binary tree structure. Level 5 shifted gears, asking players to find the shortest path to a goal, testing their efficiency and pathfinding skills. Then came Level 6, a maze that had to be traversed with precision. Players had to locate a key and use it to unlock a blocked path.

With the key in hand, Level 7 revealed a locked number sequence. Players had to unlock and memorize it to move ahead. In Level 8, they faced a cryptic pattern and were tasked with unlocking and remembering it to surpass the level. Level 9 took them into a virtual queue where they had to perform a series of queue operations using a previously acquired key.

Finally, Level 10 challenged participants to unlock a stack and execute a set of stack operations, completing their escape from the AI-controlled trap. 

                                                                                          echotrapPicture2.jpg

                                                                                                                       Game Structure and Levels

Level 1 – Image Insight

The first trap tested players spatial awareness. Participants had to observe and place scattered images in their correct positions.

Success unlocked the path to the next room — a warm-up for the mind.

                                                                                           echotrapPicture3.jpg

Level 2 Command Crafter

Here, a scrambled command string

awaited correction. Students had to unscramble and reorder the command logically, revealing their programming instincts and syntactic accuracy.

                                                                                           echotrapPicture4.jpg

Level 3 – Queen’s Gambit

Players faced a chessboard where they had to place 8 queens such that none could attack another. It was a classic logic problem demanding spatial visualization and strategic thinking.

                                                                                           echotrapPicture5.jpg

Level 4 – Tree Trouble

A binary tree was shown — but it had an error. Students had to analyze the structure and identify the incorrect node to move ahead.

                                                                               echotrapPicture6.jpg

Level 5 – Pathfinder

Here, a complex map appeared. Students had to determine the shortest path through it, testing their understanding of graph traversal and path optimization.

                                                                               echotrapPicture7.jpg

Level 6 – Maze Mastery

Now came the test of navigation: a maze filled the screen. Students had to find a key and use it to unlock a block, combining exploration with goal-oriented strategy.

                                                                                   WhatsApp_Image_2025-07-30_at_10.41.37_d08e153e.jpg

Level 7 Sequence Unlock

With the key from the previous level, a locked sequence appeared. Participants had to unlock and remember the sequence to progress — a blend of memory and pattern interpretation.

                                                                                   WhatsApp_Image_2025-07-30_at_10.43.56_7474e1d1.jpg

Level 8 – Pattern Decoder

A cryptic pattern emerged. Players had to identify, decode, and remember it using the previously acquired key. Precision and recall were crucial.

                                                                                  WhatsApp_Image_2025-07-30_at_10.46.05_f63ae754.jpg

Level 9 – Queue Quest

The next level presented a virtual queue. Using the key, players unlocked it and had to perform specific queue operations in the correct order. It tested their data structure knowledge under pressure.

                                                                                   WhatsApp_Image_2025-07-30_at_10.46.44_c9ef4a50.jpg

Level 10 – Stack Survival

The final task was to unlock a stack and execute the listed operations step-by-step. It was the last wall between the player and victory — a true test of logic and order.

                                                                                    WhatsApp_Image_2025-07-30_at_10.47.39_6198ff42.jpg

 

                                                                                                The Final Outcome: NEXUS’s Judgement

Victory:

If a participant cleared all levels efficiently, the screen lit up in bright green with the words “FREEDOM ACHIEVED!” — they had

escaped the AI's grasp, earning their freedom and glory.

                                                                                     WhatsApp_Image_2025-07-30_at_10.51.04_a4f99bf5.jpg

Defeat:

For those who failed, a glitchy red “RECAPTURED” screen appeared. NEXUS had prevailed, and their escape attempt was foiled — but each step gave valuable lessons.

                                                                                      WhatsApp_Image_2025-07-30_at_10.52.11_ab2ae99b.jpg

                                                                                                     

                                                                                                  EVENT WINNERS

 

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