Learn Befunge - 10 Code Examples & CST Typing Practice Test

Befunge is a two-dimensional esoteric programming language where code flows across a grid in multiple directions, allowing self-modifying behavior and unusual program structures.

View all 10 Befunge code examples →

Hello World in Befunge Befunge Simple Addition Befunge Print Numbers 0-9 Befunge Echo Input Befunge Loop Example Befunge Print A Befunge Multiply Two Numbers Befunge Subtract Two Numbers Befunge Clear Stack Example Befunge Hello Befunge

Learn BEFUNGE with Real Code Examples

Updated Nov 25, 2025

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Code Sample Descriptions

Hello World in Befunge

>25*"!dlroW ,olleH":v
    v:,_@
    >  ^

A classic 'Hello, World!' in Befunge demonstrating 2D control flow.

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Befunge Simple Addition

2 3 + .

Adds two numbers and prints the result.

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Befunge Print Numbers 0-9

0"0123456789",,,,,,,,,,

Prints digits 0 to 9 sequentially.

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Befunge Echo Input

, & @

Reads a single character from input and prints it.

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Befunge Loop Example

9:v
    >1-:_
    @

Decrements a number and prints until zero.

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Befunge Print A

65 .

Prints the letter 'A'.

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Befunge Multiply Two Numbers

3 4 * .

Multiplies two numbers and prints the result.

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Befunge Subtract Two Numbers

8 3 - .

Subtracts second number from first and prints it.

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Befunge Clear Stack Example

9 8 7 6 5 4 3 2 1
    $ $ $ $ $ $ $ $ @

Clears the stack and halts execution.

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Befunge Hello Befunge

>25*"!egnufeB ,olleH":v
    v:,_@
    >  ^

Prints 'Hello Befunge' demonstrating 2D control flow.

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Frequently Asked Questions about Befunge

What is Befunge?

Befunge is a two-dimensional esoteric programming language where code flows across a grid in multiple directions, allowing self-modifying behavior and unusual program structures.

What are the primary use cases for Befunge?

Code-golf challenges using 2D logic. Educational demonstrations of non-linear control flow. Studying self-modifying grid-based programs. Obfuscation and creative puzzle programs. Esoteric language experimentation

What are the strengths of Befunge?

Visually interesting 2D code layout. Great for puzzles and creativity. Self-modifying code built-in. Compact, expressive programs. Vibrant esolang community support

What are the limitations of Befunge?

Not suitable for large applications. Hard to debug due to non-linear flow. Limited standard libraries. Hard for beginners to understand. Optimizing compilers struggle with its design

How can I practice Befunge typing speed?

CodeSpeedTest offers 10+ real Befunge code examples for typing practice. You can measure your WPM, track accuracy, and improve your coding speed with guided exercises.

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C React Python C++Rust TypeScript Kotlin PHP Java C#Ruby Mql Cql N1ql Cypher Gremlin Partiql Haskell Elixir Fsharp View all languages →

Learn Befunge - 10 Code Examples & CST Typing Practice Test

Befunge is a two-dimensional esoteric programming language where code flows across a grid in multiple directions, allowing self-modifying behavior and unusual program structures.

View all 10 Befunge code examples →

Learn BEFUNGE with Real Code Examples

Updated Nov 25, 2025

Introduction & Fundamentals Setup & Configuration Architecture & Deep Internals Performance & Security Development Workflow Learning & Career Growth Business & Strategy Examples

Code Sample Descriptions

Hello World in Befunge

>25*"!dlroW ,olleH":v
    v:,_@
    >  ^

A classic 'Hello, World!' in Befunge demonstrating 2D control flow.

Let’s Try →

Befunge Simple Addition

2 3 + .

Adds two numbers and prints the result.

Let’s Try →

Befunge Print Numbers 0-9

0"0123456789",,,,,,,,,,

Prints digits 0 to 9 sequentially.

Let’s Try →

Befunge Echo Input

, & @

Reads a single character from input and prints it.

Let’s Try →

Befunge Loop Example

9:v
    >1-:_
    @

Decrements a number and prints until zero.

Let’s Try →

Befunge Print A

65 .

Prints the letter 'A'.

Let’s Try →

Befunge Multiply Two Numbers

3 4 * .

Multiplies two numbers and prints the result.

Let’s Try →

Befunge Subtract Two Numbers

8 3 - .

Subtracts second number from first and prints it.

Let’s Try →

Befunge Clear Stack Example

9 8 7 6 5 4 3 2 1
    $ $ $ $ $ $ $ $ @

Clears the stack and halts execution.

Let’s Try →

Befunge Hello Befunge

>25*"!egnufeB ,olleH":v
    v:,_@
    >  ^

Prints 'Hello Befunge' demonstrating 2D control flow.

Let’s Try →

Frequently Asked Questions about Befunge

What is Befunge?

Befunge is a two-dimensional esoteric programming language where code flows across a grid in multiple directions, allowing self-modifying behavior and unusual program structures.

What are the primary use cases for Befunge?

What are the strengths of Befunge?

Visually interesting 2D code layout. Great for puzzles and creativity. Self-modifying code built-in. Compact, expressive programs. Vibrant esolang community support

What are the limitations of Befunge?

Not suitable for large applications. Hard to debug due to non-linear flow. Limited standard libraries. Hard for beginners to understand. Optimizing compilers struggle with its design

How can I practice Befunge typing speed?

CodeSpeedTest offers 10+ real Befunge code examples for typing practice. You can measure your WPM, track accuracy, and improve your coding speed with guided exercises.

Learn Other Programming Languages

C React Python C++Rust TypeScript Kotlin PHP Java C#Ruby Mql Cql N1ql Cypher Gremlin Partiql Haskell Elixir Fsharp View all languages →