Learn BRAINFUCK with Real Code Examples
Updated Nov 25, 2025
Learning Path
Learn basic Brainfuck commands (+, -, <, >, [, ], ., ,)
Practice simple output programs (Hello World)
Experiment with loops and nested loops
Build arithmetic and string manipulation programs
Explore code-golf challenges and optimizations
Skill Improvement Plan
Week 1: Understand commands and tape concept
Week 2: Implement simple arithmetic programs
Week 3: Use loops for iterative computations
Week 4: Solve small programming puzzles
Week 5: Attempt complex programs or code-golfing
Interview Questions
What is Brainfuck and why was it created?
Explain how Brainfuck is Turing-complete
How do loops work in Brainfuck?
Describe memory tape and pointer manipulation
Compare Brainfuck to esoteric languages like Malbolge
Cheat Sheet
+ increment cell
- decrement cell
> move pointer right
< move pointer left
[ start loop if current cell ≠0
] end loop
. output character
, input character
Books
The Brainfuck Programming Language Handbook
Esoteric Programming Languages Explained
Code Golf and Obfuscation with Brainfuck
Minimalist Programming Concepts
Practical Exercises in Brainfuck
Tutorials
Hello World in Brainfuck
Arithmetic operations with loops
String manipulation and input/output
Fibonacci sequence in Brainfuck
Tape visualization and debugging tutorials
Official Docs
https://esolangs.org/wiki/Brainfuck
https://github.com/brainfuck-archive/brainfuck
Community Links
Esolangs.org Brainfuck page
StackExchange Programming Puzzles
Reddit r/esolangs
GitHub Brainfuck repositories
Brainfuck forums and online interpreters
Community Support
Brainfuck Wikipedia page and documentation
Esoteric Programming Language forums
Online interpreters and challenge sites
YouTube tutorials and walkthroughs
GitHub repositories of example Brainfuck programs