Pro/g/ramming Challenges 4.0

No.	Challenge	Difficulty
1	Download Manager	Medium
2	Make an elastic producer/consumer task queue	Medium
3	IRC Client	Medium
4	Markov Chain sequence generator	Easy
5	English Sentence Parser that Points to the Context of a Sentence	Medium
6	MIDI Player + Editor	Medium
7	Stock market simulator using Yahoo Data	Medium
8	Parametic/Graphic Equalizer for .wav files	Difficult
9	Graphing Calculator	Medium
10	To-do List Application	Easy
11	Verlet Integration	Difficult
12	TCP/UDP Chat Server + Client	Medium
13	Music streaming	Difficult
14	Shazam	Medium
15	Chatbot	Easy
16	Curses text editor	Medium
17	Paint clone	Medium
18	Image to ASCII Art	Easy
19	Booru (Image board) Image Downloader	Medium
20	Image Converter	Medium
21	ID3 Reader	Medium
22	Sound Synthesis (Sine, square, sawtooth, etc...)	Difficult
23	C++ IDE Plugin for Subblime/Atom	Medium
24	Simple version control with checkout, commit, unlocking, etc	Medium
25	Image board (Imaginbe vichan)	Easy
26	Password Manager	Medium
27	Create a torrent client (CLI or GUI)	Difficult
28	Booru Client	Difficult
29	Key Press Bot	Medium
30	IP/URL Obsucrification	Medium
31	Radix Base Converter (Convert a radix base to decimal)	Medium
32	Chan aggregator	Difficult
33	Encrypt and upload a file online	Medium
34	Make a text editor with autosave with date in filename	Difficult
35	Create a HSV Colour Respresentor	Easy
36	Window Manager	Medium
37	Basic Relational Database Software	Insane
38	Pixel Editor	Medium
39	Trivial File Transfer Protocol (TFTP) Client	Medium
40	Markdown Editor	Medium
41	IP Tracking Visualiser	Medium
42	Port Scanner	Easy
43	Old School Demo Effect	Easy
44	FizzBuzz	Easy
45	RPN Calculator	Easy
46	Count occurences of character in a string	Easy
47	Towers of Hanoi	Easy
48	Music visualiser	Medium
49	Unicode Converter	Medium
50	Calculate the first (n) digits of pi	Easy
51	Least squares fitting algorithm	Medium
52	Find the Time when a Given Stock was Most Valuable	Easy
53	Calculate the Highest Prime Factor	Easy
54	Hide and Extract Data in an Image (Basic Steganography)	Medium
55	Web page crawler	Medium
56	Password Generator (with user selectable options)	Easy
57	Vignére cipher encryption/decryption	Medium
58	Game of Life	Medium
59	Caesar Cipher Cracker	Easy
60	Dijkstra's Algorithm	Medium
61	ROT 13	Easy
62	Program that displays MBR Contents	Medium
63	Random Name Picker	Medium
64	Encrypt/Decrypt Text	Medium
65	Youtube to MP3	Easy
66	Text to Hex/Binary	Easy
67	Calculate the first 1,000 digits of Pi iteratively	Medium
68	Sierpinski Triangle	Easy
69	Mandlebrot Set	Medium
70	OpenAI Gym Project	Difficult
71	AI for Roguelikes	Medium
72	Sudoku/n-Puzzle Solver using A* Algorithm	Medium
73	Connect-4 AI Player using Alpha-Beta Pruning	Medium
74	Basic Neural Network - Simulate individual neurons and connections	Easy
75	Real Neural Network - Implement a basic feed-forward neural network	Medium
76	Convolutional Neural Network - For handwritten digit recognition	Medium
77	Convolutional Neural Network - For handwritten digit recognition WITHOUT N.N. Platforms like Tensorflow/Theano	Difficult
78	Virtual Machine a Script that Writes "Hello, World"	Medium
79	Basic Bootloader with Extended File System	Insane
80	Terminal Shell (Executable Binaries, Piping, Redirection and History)	Medium
81	HTML + JavaScript Debugger	Medium
82	Write an Interpreted LISP-like Programming Language	Medium
83	An Application that can mount filesystems from other OSes using FUSE model	Difficult
84	Universal Asynchronous Receiver/Tranmitter (UART) Game	Medium
85	Pong Game as EUFI file in Colour	Difficult
86	Design an Esoteric Language	Difficult
87	C Compiler	Difficult
88	Turing Machine Simulator	Difficult
89	Read, Evaluate, Print Loop using a Compiled Language	Difficult
90	Static Website Generator (Scriptable Templates + Content to HTML and CSS)	Medium
91	Chip-8 Emulator	Medium
92	Double Pendulum Simulation	Medium
93	Constructive Solid Geometry	Medium
94	Ray Tracer	Difficult
95	Real-time Fast Fourior Transform Spectrum Visualiser	Difficult
96	Generate a Complimentary Colour from any Input Colour	Easy
97	Generate a 5-Colour Scheme from the Most Dominate Tones in Any Image	Medium
98	General Lambert's Problem Solver	Insane
99	TI-86 Emulator	Difficult
100	N-Body Simulator	Medium
101	Eulerian Path	Easy
102	Draw a Spinning 3D Cube	Easy
103	Cellular Textures	Easy
104	Knight's Tour	Medium
105	Monter Raising/Breeding Simulator	Difficult
106	Tetris	Medium
107	Snake	Easy
108	Pipe Dreams	Medium
109	Pac-Man with Different Ghost Behaviours	Medium
110	Dragon Quest / Basic RPG Engine	Difficult
111	Rock Paper Scissors	Easy
112	First-person Engine in OpenGL	Difficult
113	Shuffle a Deck of Cards with Visualisation	Medium
114	Simulate a Game of Tag using a Multi-agent System	Medium
115	Wolfenstein Clone (2D FPS that appears 3D)	Difficult
116	Scorched Earth Clone	Medium
117	Minesweeper	Medium
118	An Audio/Visual 64K Demonstration	Medium
119	Sudoku	Medium
120	Danmaku (Bullet Hell) Engine	Difficult
121	Roguelike Engine/Dungeon Generator	Difficult
122	Design a Game Engine in Unity	Easy
123	Yahtzee	Easy
124	Oil Panic	Easy
125	Chess	Medium
126	Go	Difficult
127	Connect Four	Easy
128	Mastermind	Medium
129	Missile Command Game	Medium
130	Tron	Medium
131	Breakout	Medium
132	Simon	Easy
133	LISP Interpreter	Difficult
134	Ulam Spiral	Easy
135	Bellman-Ford Simulation with at least Five Vertices	Medium
136	Matrix Arithmetic	Medium
137	File Compression Utility (w/ GUI)	Medium
138	PDF Tagger	Easy
139	Nonogram Generator and Solver	Difficult
140	Calculate Dot and Cross Product of Two Vectors	Medium
141	Bismuth Fractal	Medium
142	Seam Carving	Medium
143	Bayesian Filter	Medium
144	WMS Viewer NOT Web Based	Difficult
145	ASCII Digital Clock	Easy