Top 5 World’s Most Difficult Programming languages to Learn

Here are Top 5 Most Difficult programming languages which are very difficult to learn and could give seasoned coders headaches

While we should hear the easiest languages to learn programming, but there is another part of difficult languages which can make life hell for wannabe coders. Yes, there are programming languages which could drive you nuts.

We all started programming by writing codes in programming languages such as Java, C, C++ etc. Our peers and seniors used a little bit more difficult languages like Pascal, Fortran, COBOL etc. Compared to C++ or Java, you will wholeheartedly agree that Pascal and Fortran posed serious challenges to your brain and caused you to pull the hair off your head.

However, compared to them some programming languages are so written that it takes more than pulling your hair off.  Such programming languages that take difficulty to the God level and are known as esoteric programming languages.  Most of these esoteric programming languages are created to to either test the boundaries of how far programming language design can go or as a joke.

Most never make it beyond the developer’s system and you may never get to hear them. But here are the five that would push your brains to the limit.

1. Brainfuck


This language is a difficult as the name suggests. Brainfuck was invented by Urban Müller in 1993, in an attempt to make a language for which he could write the smallest possible compiler for the Amiga OS, version 2.0.

Brainfuck operates on an array of memory cells, also referred to as the tape, each initially set to zero. There are only 8 commands in the language

Here is the 8 commands of this language:- 1″>” |2 “<” | 3 “+” |4 “-”  |5 “.”|  6 “,” | 7 “[” | 8  “]”

A simple ‘Hello world’ code looks like this

Here are five programming languages which are very difficult to learn and could give seasoned coders headaches

2. COW

cow programming language

Yes, i know its funny but this the name of this programming language. Cow as in Cow with four legs. The COW programming language was designed with the bovine in mind. Given that cows have somewhat limited vocabulary skills, it seemed natural to incorporate only the words they know into the language. As a result, all instructions are some variation on “moo” which just so happens to be the only word they really understand.

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Any other word or symbol that isn’t an instruction is ignored entirely. So, spaces can be used or not. Newlines can be used or not. You get the idea.  It has only 12 instructions which based on Moo just like COW. It makes commenting COW programs rather easy as long as you don’t use any words that have an instruction embedded in it.

Here are five programming languages which are very difficult to learn and could give seasoned coders headaches

Most instructions are moos, only the capitalization varies: mOo, moO, mOO, Moo, and so on. MMM, OOO, oom and OOM are the exceptions.



The Compiler Language With No Pronounceable Acronym, abbreviated INTERCAL. Expressions that look like line noise. Control constructs that will make you gasp, make you laugh, and possibly make you hurl.

INTERCAL has many other features designed to make it even more aesthetically unpleasing to the programmer: it uses statements such as “READ OUT”, “IGNORE”, “FORGET”, and modifiers such as “PLEASE”. This last keyword provides two reasons for the program’s rejection by the compiler: if “PLEASE” does not appear often enough, the program is considered insufficiently polite, and the error message says this; if too often, the program could be rejected as excessively polite.

Here is the hello world program in INTERCAL. It was created in 1972 by 2 students Jim Lyon and Don Woods.

Here are five programming languages which are very difficult to learn and could give seasoned coders headaches

4. Whitespace


It was released on 1 April 2003, most people thought it was an April Fool’s joke, but it wasn’t. As you can guess, in the Whitespace language, only spaces, tabs and linefeeds have meaning. The Whitespace interpreter ignores any non-whitespace characters. An interesting consequence of this property is that a Whitespace program can easily be contained within the whitespace characters of a program written in another language.

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Here’s above  is an example program that prints “Hello, World!” written in Whitespace. Space, T for tab and L for linefeed.

5. Malbolge


Malbolge is created by Ben Olmstead in 1998 . it was the most difficult programming language even its create was not able to program its hello world program. Malbolge Language designed to be difficult or impossible to learn.
here is the example of hello world sample program in Malbolge.



here it is another programming language but don’t consider it in our list. Chef is a stack-based language where programs look like cooking recipes.

According to the Chef Home Page, the design principles for Chef are:

  • Program recipes should not only generate valid output, but be easy to prepare and delicious.
  • Recipes may appeal to cooks with different budgets.
  • Recipes will be metric, but may use traditional cooking measures such as cups and tablespoons.

Hello world looks like this!

Here are five programming languages which are very difficult to learn and could give seasoned coders headaches

From the Above list, which is the most Difficult Programming Language according to you please Comment Below.

Akash Gohil

Hello !!! You are Reading Writings of Very Popular Developer of India and Founder of is a Tech Geek and Passionate about Technology, Gadgets and fitness tips. I am a WordPress Developer and contact for WordPress Development Services as well as SEO Services.

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