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6b7d618 · · Apr 19, 2026

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Signal Decoder

a puzzle game where you try to figure out patterns in corrupted signals and input the correct answer to progress

what it is

each level gives you a sequence (numbers, letters, symbols, etc) with something missing. you have to work out the pattern and enter the right answer. it starts off simple but gets more confusing later on

features

  • 20 levels (mix of set + generated puzzles)
  • different pattern types (numbers, letters, colours, symbols)
  • progress bar + level counter
  • “access granted / denied” feedback
  • small glitch + flicker effects

how to play

look at the pattern, figure out what’s going on, then type the next value and hit execute. if you’re right you move on, if not you try again

how i made it

started with just hardcoding a couple of patterns, then added a system to generate more levels so it didn’t feel repetitive. after that i focused on the UI and making it feel more like a system/terminal instead of just text on a page

challenges

coming up with patterns that weren’t too obvious but also not impossible was harder than expected. also making the UI feel clean instead of messy took a bit of trial and error

what i learned

i got better at structuring logic for puzzles and generating content instead of writing everything manually. also learned how small UI changes can make something feel way more polished

if i had more time

i’d add more unique puzzle types, maybe some trick levels, and a proper final level that changes the rules a bit

About

you are a hacker decode the signal to hack the database

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