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Classic Puzzle - Hard
To start
The Labyrinth
XP
+250 XP
Completed by 4,111 CodinGamers
0
done
Skynet Revolution - Episode 2
XP
+250 XP
Completed by 4,253 CodinGamers
0
done
The Bridge
XP
+375 XP
Completed by 1,899 CodinGamers
0
done
Winamax Sponsored Contest
XP
+250 XP
Completed by 814 CodinGamers
0
done
Don't Panic - Episode 2
XP
+250 XP
Completed by 918 CodinGamers
0
done
Vox Codei - Episode 1
XP
+250 XP
Completed by 1,523 CodinGamers
0
done
Super Computer
XP
+250 XP
Completed by 2,942 CodinGamers
0
done
Roller Coaster
XP
+375 XP
Completed by 4,049 CodinGamers
0
done
Surface
XP
+250 XP
Completed by 3,061 CodinGamers
0
done
CGX Formatter
XP
+250 XP
Completed by 2,562 CodinGamers
0
done
There is no Spoon - Episode 2
XP
+250 XP
Completed by 928 CodinGamers
0
done
Power of Thor - Episode 2
XP
+250 XP
Completed by 937 CodinGamers
0
done
The Last Crusade - Episode 2
XP
+250 XP
Completed by 823 CodinGamers
0
done
TAN Network
XP
+250 XP
Completed by 1,529 CodinGamers
0
done
Genome Sequencing
XP
+250 XP
Completed by 2,573 CodinGamers
0
done
Bender - Episode 2
XP
+250 XP
Completed by 2,157 CodinGamers
0
done
Bender - Episode 3
XP
+250 XP
Completed by 1,445 CodinGamers
0
done
Mars Colonization
by java_coffee_cup
Mars Colonization
XP
+50 XP
Completed by 10 CodinGamers
0
done
Cloudy Weather
by Niako
Cloudy Weather
XP
+50 XP
Completed by 7 CodinGamers
0
done
Basic Decision Tree - 2
by Wei-1
Basic Decision Tree - 2
XP
+50 XP
Completed by 10 CodinGamers
0
done
Nonogram inversor
by LaurentBouvier
Nonogram inversor
XP
+50 XP
Completed by 23 CodinGamers
0
done
11-puzzle
by [CG]Maxime
11-puzzle
XP
+50 XP
Completed by 55 CodinGamers
0
done
The Burglar's Dilemna
by Keelhaul
The Burglar's Dilemna
XP
+50 XP
Completed by 127 CodinGamers
0
done
Neighbor-Sum Grids
by Niako
Neighbor-Sum Grids
XP
+50 XP
Completed by 62 CodinGamers
0
done
Paper-folding curve
by java_coffee_cup
Paper-folding curve
XP
+50 XP
Completed by 156 CodinGamers
0
done
Factorials of primes decomposition
by nicola
Factorials of primes decomposition
XP
+50 XP
Completed by 120 CodinGamers
0
done
Einstein's riddle solver
by OroshiX
Einstein's riddle solver
XP
+50 XP
Completed by 132 CodinGamers
0
done
X egg problem
by Romario
X egg problem
XP
+50 XP
Completed by 144 CodinGamers
0
done
Harmless Rooks
by Niako
Harmless Rooks
XP
+50 XP
Completed by 62 CodinGamers
0
done
Magic count of numbers
by InstouT94
Magic count of numbers
XP
+50 XP
Completed by 164 CodinGamers
0
done
Her Majesty's well shared secret
by Niako
Her Majesty's well shared secret
XP
+50 XP
Completed by 44 CodinGamers
0
done
Dumbbells solver
by VilBoub
Dumbbells solver
XP
+50 XP
Completed by 98 CodinGamers
0
done
Zergling rush
by ValNykol
Zergling rush
XP
+50 XP
Completed by 466 CodinGamers
0
done
Misère Nim
by magaiti
Misère Nim
XP
+50 XP
Completed by 122 CodinGamers
0
done
The Balanced Centrifuge Problem
by magaiti
The Balanced Centrifuge Problem
XP
+50 XP
Completed by 53 CodinGamers
0
done
Horn-SAT solver
by ludowsky
Horn-SAT solver
XP
+50 XP
Completed by 68 CodinGamers
0
done
Cheat Solving
by JBM
Cheat Solving
XP
+50 XP
Completed by 94 CodinGamers
0
done
Fractal Carpet
by Sethius
Fractal Carpet
XP
+50 XP
Completed by 326 CodinGamers
0
done
Closest Number
by Nagrarok
Closest Number
XP
+50 XP
Completed by 70 CodinGamers
0
done
Turing machine
by ValNykol
Turing machine
XP
+50 XP
Completed by 516 CodinGamers
0
done
Cryptarithm
by Bob
Cryptarithm
XP
+50 XP
Completed by 259 CodinGamers
0
done
The Empire Enigma
by ReMoD
The Empire Enigma
XP
+50 XP
Completed by 145 CodinGamers
0
done
Chess cavalry
by Arglanir
Chess cavalry
XP
+50 XP
Completed by 551 CodinGamers
0
done
Apple tree
by input.txt
Apple tree
XP
+50 XP
Completed by 501 CodinGamers
0
done
The Total is Right - Weird edition
by Alain-Delpuch
The Total is Right - Weird edition
XP
+50 XP
Completed by 97 CodinGamers
0
done
Laser and mirrors
by Arglanir
Laser and mirrors
XP
+50 XP
Completed by 291 CodinGamers
0
done
The hungry duck - part 2
by schubc
The hungry duck - part 2
XP
+50 XP
Completed by 609 CodinGamers
0
done
Parsing context-free grammar
by aCat
Parsing context-free grammar
XP
+50 XP
Completed by 88 CodinGamers
0
done
Boggle
by Bob
Boggle
XP
+50 XP
Completed by 437 CodinGamers
0
done
Mini sudoku solver
by nicola
Mini sudoku solver
XP
+50 XP
Completed by 539 CodinGamers
0
done
Breakout
by player_one
Breakout
XP
+50 XP
Completed by 64 CodinGamers
0
done
Binary Permutations
by TheNinja
Binary Permutations
XP
+50 XP
Completed by 239 CodinGamers
0
done
Electrical grid
by yoha
Electrical grid
XP
+50 XP
Completed by 216 CodinGamers
0
done
Vortex
by MadKnight
Vortex
XP
+50 XP
Completed by 351 CodinGamers
0
done
Max Rect
by java_coffee_cup
Max Rect
XP
+50 XP
Completed by 188 CodinGamers
0
done
Monte Carlo Tree Search exercise
by aCat
Monte Carlo Tree Search exercise
XP
+50 XP
Completed by 89 CodinGamers
0
done
To Sky's Edge
by Keelhaul
To Sky's Edge
XP
+50 XP
Completed by 317 CodinGamers
0
done
Spreadsheet Labels
by Porthos3
Spreadsheet Labels
XP
+50 XP
Completed by 556 CodinGamers
0
done
Execution Circle
by Skreamly
Execution Circle
XP
+50 XP
Completed by 198 CodinGamers
0
done
Castle Siege
by TheNinja
Castle Siege
XP
+50 XP
Completed by 260 CodinGamers
0
done
Universe Conquest
by Enygma
Universe Conquest
XP
+50 XP
Completed by 107 CodinGamers
0
done
Kolakoski Sequence
by Orabig
Kolakoski Sequence
XP
+50 XP
Completed by 653 CodinGamers
0
done
Longest Palindrome
by Maurice_Moss
Longest Palindrome
XP
+50 XP
Completed by 510 CodinGamers
0
done
Hill Notation and Hill Order
by btharper
Hill Notation and Hill Order
XP
+50 XP
Completed by 229 CodinGamers
0
done
Detective Pikaptcha EP4
by java_coffee_cup
Detective Pikaptcha EP4
XP
+50 XP
Completed by 117 CodinGamers
0
done
The hungry duck - part 1
by schubc
The hungry duck - part 1
XP
+50 XP
Completed by 819 CodinGamers
0
done
The Beautiful sequence
by dogther
The Beautiful sequence
XP
+50 XP
Completed by 189 CodinGamers
0
done
The Holy Grail
by Blem
The Holy Grail
XP
+50 XP
Completed by 427 CodinGamers
0
done
Discrete Log Problem
by Maurice_Moss
Discrete Log Problem
XP
+50 XP
Completed by 34 CodinGamers
0
done
Connect four
by Bob
Connect four
XP
+50 XP
Completed by 284 CodinGamers
0
done
Erdős Number
by Delgan
Erdős Number
XP
+50 XP
Completed by 162 CodinGamers
0
done
Hit the road
by mouton5000
Hit the road
XP
+50 XP
Completed by 166 CodinGamers
0
done
Code your own Automaton2000, step 1
by Magus
Code your own Automaton2000, step 1
XP
+50 XP
Completed by 125 CodinGamers
0
done
Pascal Trapezoid
by player_one
Pascal Trapezoid
XP
+50 XP
Completed by 104 CodinGamers
0
done
Mystery sums
by Neonox
Mystery sums
XP
+50 XP
Completed by 449 CodinGamers
0
done
Order of Oopserations!
by Stashio
Order of Oopserations!
XP
+50 XP
Completed by 168 CodinGamers
0
done
Levenshtein distance
by Steuh
Levenshtein distance
XP
+50 XP
Completed by 416 CodinGamers
0
done
Elevator
by dimp
Elevator
XP
+50 XP
Completed by 1,012 CodinGamers
0
done
Dominoes solver
by VilBoub
Dominoes solver
XP
+50 XP
Completed by 99 CodinGamers
0
done
Chess moves on FEN position
by scrauler
Chess moves on FEN position
XP
+50 XP
Completed by 255 CodinGamers
0
done
Google Interview - The Two Egg Problem
by [CG]OlogN
Google Interview - The Two Egg Problem
XP
+50 XP
Completed by 1,654 CodinGamers
0
done
Hanoi tower
by Bob
Hanoi tower
XP
+50 XP
Completed by 359 CodinGamers
0
done
KGood
by DJ_NikJ
KGood
XP
+50 XP
Completed by 514 CodinGamers
0
done
Sum of odd
by dwarfie
Sum of odd
XP
+50 XP
Completed by 102 CodinGamers
0
done
Simple CPU Emulation 1
by SunMan
Simple CPU Emulation 1
XP
+50 XP
Completed by 458 CodinGamers
0
done
Simple safecracking
by Shomz
Simple safecracking
XP
+50 XP
Completed by 1,352 CodinGamers
0
done
Hangman
by [CPC]glau
Hangman
XP
+50 XP
Completed by 610 CodinGamers
0
done
TXT2HTML
by Merome
TXT2HTML
XP
+50 XP
Completed by 335 CodinGamers
0
done
n Queens
by VilBoub
n Queens
XP
+50 XP
Completed by 415 CodinGamers
0
done
Inertia ride
by Keelhaul
Inertia ride
XP
+50 XP
Completed by 352 CodinGamers
0
done
Candies
by Elliot
Candies
XP
+50 XP
Completed by 515 CodinGamers
0
done
The max surface box
by VinceKanabo
The max surface box
XP
+50 XP
Completed by 474 CodinGamers
0
done
Anagrams
by player_one
Anagrams
XP
+50 XP
Completed by 794 CodinGamers
0
done
Simplify Selection Ranges
by xmetrix
Simplify Selection Ranges
XP
+50 XP
Completed by 1,735 CodinGamers
0
done
Highest truncated pyramid
by TwelveOThirteen
Highest truncated pyramid
XP
+50 XP
Completed by 675 CodinGamers
0
done
Symbolic system of equations
by izanbf
Symbolic system of equations
XP
+50 XP
Completed by 65 CodinGamers
0
done
Drawing Polygons
by PauloVilela
Drawing Polygons
XP
+50 XP
Completed by 362 CodinGamers
0
done
Rocket mice
by player_one
Rocket mice
XP
+50 XP
Completed by 72 CodinGamers
0
done
Alternative vote
by [CG]Maxime
Alternative vote
XP
+50 XP
Completed by 389 CodinGamers
0
done
Expand the polynomial
by nicola
Expand the polynomial
XP
+50 XP
Completed by 486 CodinGamers
0
done
Basic Decision Tree - 1
by Wei-1
Basic Decision Tree - 1
XP
+50 XP
Completed by 37 CodinGamers
0
done
Disks intersection
by Amendil
Disks intersection
XP
+50 XP
Completed by 278 CodinGamers
0
done
The Highest Building
by Konrad_Wer
The Highest Building
XP
+50 XP
Completed by 314 CodinGamers
0
done
Tetris
by Bob
Tetris
XP
+50 XP
Completed by 151 CodinGamers
0
done
7-segment display
by scrauler
7-segment display
XP
+50 XP
Completed by 737 CodinGamers
0
done
The greatest number
by Magus
The greatest number
XP
+50 XP
Completed by 2,964 CodinGamers
0
done
Timer for Clash of Code
by Lupilum
Timer for Clash of Code
XP
+50 XP
Completed by 567 CodinGamers
0
done
Musical Intervals
by JBM
Musical Intervals
XP
+50 XP
Completed by 83 CodinGamers
0
done
Egyptian multiplication
by MoonCoder
Egyptian multiplication
XP
+50 XP
Completed by 618 CodinGamers
0
done
Big Bang Theory - Sheldon's Array Puzzle
by RaulButuc
Big Bang Theory - Sheldon's Array Puzzle
XP
+50 XP
Completed by 10 CodinGamers
0
done
Wall Street
by MasterJos
Wall Street
XP
+50 XP
Completed by 109 CodinGamers
0
done
Reverse Polish Notation
by nicola
Reverse Polish Notation
XP
+50 XP
Completed by 349 CodinGamers
0
done
Test before Validate!
by bloublou
Test before Validate!
XP
+50 XP
Completed by 215 CodinGamers
0
done
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