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Classic Puzzle - Hard
To start
The Labyrinth
XP
+250 XP
Completed by 3,492 CodinGamers
0
done
Skynet Revolution - Episode 2
XP
+250 XP
Completed by 3,592 CodinGamers
0
done
The Bridge
XP
+375 XP
Completed by 1,580 CodinGamers
0
done
Winamax Sponsored Contest
XP
+250 XP
Completed by 553 CodinGamers
0
done
Don't Panic - Episode 2
XP
+250 XP
Completed by 790 CodinGamers
0
done
Vox Codei - Episode 1
XP
+250 XP
Completed by 1,357 CodinGamers
0
done
Super Computer
XP
+250 XP
Completed by 2,653 CodinGamers
0
done
Roller Coaster
XP
+375 XP
Completed by 3,630 CodinGamers
0
done
Surface
XP
+250 XP
Completed by 2,798 CodinGamers
0
done
CGX Formatter
XP
+250 XP
Completed by 2,366 CodinGamers
0
done
There is no Spoon - Episode 2
XP
+250 XP
Completed by 820 CodinGamers
0
done
Power of Thor - Episode 2
XP
+250 XP
Completed by 823 CodinGamers
0
done
The Last Crusade - Episode 2
XP
+250 XP
Completed by 728 CodinGamers
0
done
TAN Network
XP
+250 XP
Completed by 1,399 CodinGamers
0
done
Genome Sequencing
XP
+250 XP
Completed by 2,353 CodinGamers
0
done
Bender - Episode 2
XP
+250 XP
Completed by 1,900 CodinGamers
0
done
Bender - Episode 3
XP
+250 XP
Completed by 1,327 CodinGamers
0
done
Neighbor-Sum Grids
by Niako
Neighbor-Sum Grids
XP
+50 XP
Completed by 7 CodinGamers
0
done
Harmless Rooks
by Niako
Harmless Rooks
XP
+50 XP
Completed by 9 CodinGamers
0
done
Breakout
by player_one
Breakout
XP
+50 XP
Completed by 23 CodinGamers
0
done
Horn-SAT solver
by ludowsky
Horn-SAT solver
XP
+50 XP
Completed by 26 CodinGamers
0
done
The Burglar's Dilemna
by Keelhaul
The Burglar's Dilemna
XP
+50 XP
Completed by 65 CodinGamers
0
done
Einstein's riddle solver
by OroshiX
Einstein's riddle solver
XP
+50 XP
Completed by 65 CodinGamers
0
done
Paper-folding curve
by java_coffee_cup
Paper-folding curve
XP
+50 XP
Completed by 107 CodinGamers
0
done
The Total is Right - Weird edition
by Alain-Delpuch
The Total is Right - Weird edition
XP
+50 XP
Completed by 28 CodinGamers
0
done
Misère Nim
by magaiti
Misère Nim
XP
+50 XP
Completed by 58 CodinGamers
0
done
Cheat Solving
by JBM
Cheat Solving
XP
+50 XP
Completed by 56 CodinGamers
0
done
Magic count of numbers
by InstouT94
Magic count of numbers
XP
+50 XP
Completed by 103 CodinGamers
0
done
Fractal Carpet
by Sethius
Fractal Carpet
XP
+50 XP
Completed by 268 CodinGamers
0
done
Zergling rush
by ValNykol
Zergling rush
XP
+50 XP
Completed by 403 CodinGamers
0
done
Turing machine
by ValNykol
Turing machine
XP
+50 XP
Completed by 454 CodinGamers
0
done
Chess cavalry
by Arglanir
Chess cavalry
XP
+50 XP
Completed by 500 CodinGamers
0
done
Quarternion Multiplication
by TheNinja
Quarternion Multiplication
XP
+50 XP
Completed by 305 CodinGamers
0
done
Laser and mirrors
by Arglanir
Laser and mirrors
XP
+50 XP
Completed by 241 CodinGamers
0
done
Max Rect
by java_coffee_cup
Max Rect
XP
+50 XP
Completed by 63 CodinGamers
0
done
Apple tree
by input.txt
Apple tree
XP
+50 XP
Completed by 425 CodinGamers
0
done
The hungry duck - part 2
by schubc
The hungry duck - part 2
XP
+50 XP
Completed by 544 CodinGamers
0
done
X egg problem
by Romario
X egg problem
XP
+50 XP
Completed by 69 CodinGamers
0
done
Electrical grid
by yoha
Electrical grid
XP
+50 XP
Completed by 175 CodinGamers
0
done
Parsing context-free grammar
by aCat
Parsing context-free grammar
XP
+50 XP
Completed by 44 CodinGamers
0
done
Execution Circle
by Skreamly
Execution Circle
XP
+50 XP
Completed by 150 CodinGamers
0
done
Vortex
by MadKnight
Vortex
XP
+50 XP
Completed by 314 CodinGamers
0
done
Hill Notation and Hill Order
by btharper
Hill Notation and Hill Order
XP
+50 XP
Completed by 192 CodinGamers
0
done
Boggle
by Bob
Boggle
XP
+50 XP
Completed by 381 CodinGamers
0
done
Factorials of primes decomposition
by nicola
Factorials of primes decomposition
XP
+50 XP
Completed by 34 CodinGamers
0
done
Binary Permutations
by TheNinja
Binary Permutations
XP
+50 XP
Completed by 126 CodinGamers
0
done
Castle Siege
by TheNinja
Castle Siege
XP
+50 XP
Completed by 170 CodinGamers
0
done
Erdős Number
by Delgan
Erdős Number
XP
+50 XP
Completed by 123 CodinGamers
0
done
To Sky's Edge
by Keelhaul
To Sky's Edge
XP
+50 XP
Completed by 271 CodinGamers
0
done
Spreadsheet Labels
by Porthos3
Spreadsheet Labels
XP
+50 XP
Completed by 503 CodinGamers
0
done
Mini sudoku solver
by nicola
Mini sudoku solver
XP
+50 XP
Completed by 437 CodinGamers
0
done
Kolakoski Sequence
by Orabig
Kolakoski Sequence
XP
+50 XP
Completed by 605 CodinGamers
0
done
Remainder Fantasy
by java_coffee_cup
Remainder Fantasy
XP
+50 XP
Completed by 23 CodinGamers
0
done
Sum of odd
by dwarfie
Sum of odd
XP
+50 XP
Completed by 35 CodinGamers
0
done
Connect four
by Bob
Connect four
XP
+50 XP
Completed by 240 CodinGamers
0
done
The Empire Enigma
by ReMoD
The Empire Enigma
XP
+50 XP
Completed by 43 CodinGamers
0
done
Cryptarithm
by Bob
Cryptarithm
XP
+50 XP
Completed by 153 CodinGamers
0
done
The hungry duck - part 1
by schubc
The hungry duck - part 1
XP
+50 XP
Completed by 746 CodinGamers
0
done
The Holy Grail
by Blem
The Holy Grail
XP
+50 XP
Completed by 384 CodinGamers
0
done
Factorial vs Exponential
by ValNykol
Factorial vs Exponential
XP
+50 XP
Completed by 172 CodinGamers
0
done
Dominoes solver
by VilBoub
Dominoes solver
XP
+50 XP
Completed by 42 CodinGamers
0
done
Dumbbells solver
by VilBoub
Dumbbells solver
XP
+50 XP
Completed by 25 CodinGamers
0
done
Chess moves on FEN position
by scrauler
Chess moves on FEN position
XP
+50 XP
Completed by 219 CodinGamers
0
done
Mystery sums
by Neonox
Mystery sums
XP
+50 XP
Completed by 422 CodinGamers
0
done
Order of Oopserations!
by Stashio
Order of Oopserations!
XP
+50 XP
Completed by 131 CodinGamers
0
done
Elevator
by dimp
Elevator
XP
+50 XP
Completed by 966 CodinGamers
0
done
Hit the road
by mouton5000
Hit the road
XP
+50 XP
Completed by 133 CodinGamers
0
done
The Beautiful sequence
by dogther
The Beautiful sequence
XP
+50 XP
Completed by 148 CodinGamers
0
done
Levenshtein distance
by Steuh
Levenshtein distance
XP
+50 XP
Completed by 364 CodinGamers
0
done
Universe Conquest
by Enygma
Universe Conquest
XP
+50 XP
Completed by 74 CodinGamers
0
done
Pascal Trapezoid
by player_one
Pascal Trapezoid
XP
+50 XP
Completed by 68 CodinGamers
0
done
Simple CPU Emulation 1
by SunMan
Simple CPU Emulation 1
XP
+50 XP
Completed by 381 CodinGamers
0
done
Monte Carlo Tree Search exercise
by aCat
Monte Carlo Tree Search exercise
XP
+50 XP
Completed by 43 CodinGamers
0
done
Hanoi tower
by Bob
Hanoi tower
XP
+50 XP
Completed by 306 CodinGamers
0
done
Code your own Automaton2000, step 1
by Magus
Code your own Automaton2000, step 1
XP
+50 XP
Completed by 83 CodinGamers
0
done
Hangman
by [CPC]glau
Hangman
XP
+50 XP
Completed by 552 CodinGamers
0
done
Simple safecracking
by Shomz
Simple safecracking
XP
+50 XP
Completed by 1,288 CodinGamers
0
done
KGood
by DJ_NikJ
KGood
XP
+50 XP
Completed by 477 CodinGamers
0
done
Google Interview - The Two Egg Problem
by OlogN
Google Interview - The Two Egg Problem
XP
+50 XP
Completed by 1,529 CodinGamers
0
done
Alternative vote
by [CG]Maxime
Alternative vote
XP
+50 XP
Completed by 262 CodinGamers
0
done
Tetris
by Bob
Tetris
XP
+50 XP
Completed by 113 CodinGamers
0
done
Inertia ride
by Keelhaul
Inertia ride
XP
+50 XP
Completed by 309 CodinGamers
0
done
Anagrams
by player_one
Anagrams
XP
+50 XP
Completed by 748 CodinGamers
0
done
n Queens
by VilBoub
n Queens
XP
+50 XP
Completed by 367 CodinGamers
0
done
TXT2HTML
by Merome
TXT2HTML
XP
+50 XP
Completed by 268 CodinGamers
0
done
Candies
by Elliot
Candies
XP
+50 XP
Completed by 470 CodinGamers
0
done
The max surface box
by VinceKanabo
The max surface box
XP
+50 XP
Completed by 426 CodinGamers
0
done
Simplify Selection Ranges
by xmetrix
Simplify Selection Ranges
XP
+50 XP
Completed by 1,685 CodinGamers
0
done
Porcupine Fever
by Unihedron
Porcupine Fever
XP
+50 XP
Completed by 737 CodinGamers
0
done
Highest truncated pyramid
by TwelveOThirteen
Highest truncated pyramid
XP
+50 XP
Completed by 625 CodinGamers
0
done
Drawing Polygons
by PauloVilela
Drawing Polygons
XP
+50 XP
Completed by 322 CodinGamers
0
done
Symbolic system of equations
by izanbf
Symbolic system of equations
XP
+50 XP
Completed by 28 CodinGamers
0
done
Rocket mice
by player_one
Rocket mice
XP
+50 XP
Completed by 39 CodinGamers
0
done
Monday Tuesday Happy Days
by Bob
Monday Tuesday Happy Days
XP
+50 XP
Completed by 617 CodinGamers
0
done
Disks intersection
by Amendil
Disks intersection
XP
+50 XP
Completed by 229 CodinGamers
0
done
The Highest Building
by Konrad_Wer
The Highest Building
XP
+50 XP
Completed by 253 CodinGamers
0
done
Format string validation
by Unihedron
Format string validation
XP
+50 XP
Completed by 139 CodinGamers
0
done
The greatest number
by Magus
The greatest number
XP
+50 XP
Completed by 2,867 CodinGamers
0
done
Timer for Clash of Code
by Lupilum
Timer for Clash of Code
XP
+50 XP
Completed by 510 CodinGamers
0
done
7-segment display
by scrauler
7-segment display
XP
+50 XP
Completed by 686 CodinGamers
0
done
Musical Intervals
by JBM
Musical Intervals
XP
+50 XP
Completed by 43 CodinGamers
0
done
Egyptian multiplication
by MoonCoder
Egyptian multiplication
XP
+50 XP
Completed by 559 CodinGamers
0
done
Wall Street
by MasterJos
Wall Street
XP
+50 XP
Completed by 67 CodinGamers
0
done
Reverse Polish Notation
by nicola
Reverse Polish Notation
XP
+50 XP
Completed by 291 CodinGamers
0
done
Test before Validate!
by bloublou
Test before Validate!
XP
+50 XP
Completed by 155 CodinGamers
0
done
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