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Classic Puzzle - Hard
To start
The Labyrinth
XP
+250 XP
Completed by 3,719 CodinGamers
0
done
Skynet Revolution - Episode 2
XP
+250 XP
Completed by 3,876 CodinGamers
0
done
The Bridge
XP
+375 XP
Completed by 1,709 CodinGamers
0
done
Winamax Sponsored Contest
XP
+250 XP
Completed by 646 CodinGamers
0
done
Don't Panic - Episode 2
XP
+250 XP
Completed by 834 CodinGamers
0
done
Vox Codei - Episode 1
XP
+250 XP
Completed by 1,424 CodinGamers
0
done
Super Computer
XP
+250 XP
Completed by 2,772 CodinGamers
0
done
Roller Coaster
XP
+375 XP
Completed by 3,791 CodinGamers
0
done
Surface
XP
+250 XP
Completed by 2,909 CodinGamers
0
done
CGX Formatter
XP
+250 XP
Completed by 2,453 CodinGamers
0
done
There is no Spoon - Episode 2
XP
+250 XP
Completed by 864 CodinGamers
0
done
Power of Thor - Episode 2
XP
+250 XP
Completed by 862 CodinGamers
0
done
The Last Crusade - Episode 2
XP
+250 XP
Completed by 779 CodinGamers
0
done
TAN Network
XP
+250 XP
Completed by 1,456 CodinGamers
0
done
Genome Sequencing
XP
+250 XP
Completed by 2,443 CodinGamers
0
done
Bender - Episode 2
XP
+250 XP
Completed by 2,008 CodinGamers
0
done
Bender - Episode 3
XP
+250 XP
Completed by 1,382 CodinGamers
0
done
Puzzle of the Week
Harmless Rooks
by Niako
Harmless Rooks
XP
+50 XP
Completed by 46 CodinGamers
0
done
11-puzzle
by [CG]Maxime
11-puzzle
XP
+50 XP
Completed by 12 CodinGamers
0
done
The Balanced Centrifuge Problem
by magaiti
The Balanced Centrifuge Problem
XP
+50 XP
Completed by 23 CodinGamers
0
done
Closest Number
by Nagrarok
Closest Number
XP
+50 XP
Completed by 17 CodinGamers
0
done
The Burglar's Dilemna
by Keelhaul
The Burglar's Dilemna
XP
+50 XP
Completed by 101 CodinGamers
0
done
Her Majesty's well shared secret
by Niako
Her Majesty's well shared secret
XP
+50 XP
Completed by 21 CodinGamers
0
done
Neighbor-Sum Grids
by Niako
Neighbor-Sum Grids
XP
+50 XP
Completed by 47 CodinGamers
0
done
Misère Nim
by magaiti
Misère Nim
XP
+50 XP
Completed by 108 CodinGamers
0
done
Einstein's riddle solver
by OroshiX
Einstein's riddle solver
XP
+50 XP
Completed by 119 CodinGamers
0
done
Paper-folding curve
by java_coffee_cup
Paper-folding curve
XP
+50 XP
Completed by 138 CodinGamers
0
done
Cheat Solving
by JBM
Cheat Solving
XP
+50 XP
Completed by 83 CodinGamers
0
done
Breakout
by player_one
Breakout
XP
+50 XP
Completed by 59 CodinGamers
0
done
X egg problem
by Romario
X egg problem
XP
+50 XP
Completed by 130 CodinGamers
0
done
Magic count of numbers
by InstouT94
Magic count of numbers
XP
+50 XP
Completed by 143 CodinGamers
0
done
Fractal Carpet
by Sethius
Fractal Carpet
XP
+50 XP
Completed by 300 CodinGamers
0
done
Zergling rush
by ValNykol
Zergling rush
XP
+50 XP
Completed by 449 CodinGamers
0
done
Turing machine
by ValNykol
Turing machine
XP
+50 XP
Completed by 491 CodinGamers
0
done
Max Rect
by java_coffee_cup
Max Rect
XP
+50 XP
Completed by 99 CodinGamers
0
done
Chess cavalry
by Arglanir
Chess cavalry
XP
+50 XP
Completed by 536 CodinGamers
0
done
Laser and mirrors
by Arglanir
Laser and mirrors
XP
+50 XP
Completed by 277 CodinGamers
0
done
Cryptarithm
by Bob
Cryptarithm
XP
+50 XP
Completed by 248 CodinGamers
0
done
Apple tree
by input.txt
Apple tree
XP
+50 XP
Completed by 478 CodinGamers
0
done
Quarternion Multiplication
by TheNinja
Quarternion Multiplication
XP
+50 XP
Completed by 336 CodinGamers
0
done
The hungry duck - part 2
by schubc
The hungry duck - part 2
XP
+50 XP
Completed by 585 CodinGamers
0
done
Factorials of primes decomposition
by nicola
Factorials of primes decomposition
XP
+50 XP
Completed by 66 CodinGamers
0
done
Horn-SAT solver
by ludowsky
Horn-SAT solver
XP
+50 XP
Completed by 59 CodinGamers
0
done
The Total is Right - Weird edition
by Alain-Delpuch
The Total is Right - Weird edition
XP
+50 XP
Completed by 64 CodinGamers
0
done
Parsing context-free grammar
by aCat
Parsing context-free grammar
XP
+50 XP
Completed by 70 CodinGamers
0
done
Electrical grid
by yoha
Electrical grid
XP
+50 XP
Completed by 203 CodinGamers
0
done
Boggle
by Bob
Boggle
XP
+50 XP
Completed by 421 CodinGamers
0
done
Execution Circle
by Skreamly
Execution Circle
XP
+50 XP
Completed by 185 CodinGamers
0
done
Dumbbells solver
by VilBoub
Dumbbells solver
XP
+50 XP
Completed by 58 CodinGamers
0
done
Vortex
by MadKnight
Vortex
XP
+50 XP
Completed by 336 CodinGamers
0
done
Binary Permutations
by TheNinja
Binary Permutations
XP
+50 XP
Completed by 225 CodinGamers
0
done
The Empire Enigma
by ReMoD
The Empire Enigma
XP
+50 XP
Completed by 73 CodinGamers
0
done
Mini sudoku solver
by nicola
Mini sudoku solver
XP
+50 XP
Completed by 484 CodinGamers
0
done
To Sky's Edge
by Keelhaul
To Sky's Edge
XP
+50 XP
Completed by 305 CodinGamers
0
done
Spreadsheet Labels
by Porthos3
Spreadsheet Labels
XP
+50 XP
Completed by 538 CodinGamers
0
done
Dominoes solver
by VilBoub
Dominoes solver
XP
+50 XP
Completed by 71 CodinGamers
0
done
Factorial vs Exponential
by ValNykol
Factorial vs Exponential
XP
+50 XP
Completed by 317 CodinGamers
0
done
Kolakoski Sequence
by Orabig
Kolakoski Sequence
XP
+50 XP
Completed by 639 CodinGamers
0
done
Monte Carlo Tree Search exercise
by aCat
Monte Carlo Tree Search exercise
XP
+50 XP
Completed by 77 CodinGamers
0
done
Remainder Fantasy
by java_coffee_cup
Remainder Fantasy
XP
+50 XP
Completed by 54 CodinGamers
0
done
Hill Notation and Hill Order
by btharper
Hill Notation and Hill Order
XP
+50 XP
Completed by 219 CodinGamers
0
done
The hungry duck - part 1
by schubc
The hungry duck - part 1
XP
+50 XP
Completed by 784 CodinGamers
0
done
Universe Conquest
by Enygma
Universe Conquest
XP
+50 XP
Completed by 100 CodinGamers
0
done
Erdős Number
by Delgan
Erdős Number
XP
+50 XP
Completed by 150 CodinGamers
0
done
The Holy Grail
by Blem
The Holy Grail
XP
+50 XP
Completed by 416 CodinGamers
0
done
The Beautiful sequence
by dogther
The Beautiful sequence
XP
+50 XP
Completed by 180 CodinGamers
0
done
Chess moves on FEN position
by scrauler
Chess moves on FEN position
XP
+50 XP
Completed by 247 CodinGamers
0
done
Sum of odd
by dwarfie
Sum of odd
XP
+50 XP
Completed by 87 CodinGamers
0
done
Castle Siege
by TheNinja
Castle Siege
XP
+50 XP
Completed by 206 CodinGamers
0
done
Mystery sums
by Neonox
Mystery sums
XP
+50 XP
Completed by 435 CodinGamers
0
done
Order of Oopserations!
by Stashio
Order of Oopserations!
XP
+50 XP
Completed by 161 CodinGamers
0
done
Hit the road
by mouton5000
Hit the road
XP
+50 XP
Completed by 160 CodinGamers
0
done
Elevator
by dimp
Elevator
XP
+50 XP
Completed by 1,000 CodinGamers
0
done
Connect four
by Bob
Connect four
XP
+50 XP
Completed by 272 CodinGamers
0
done
Levenshtein distance
by Steuh
Levenshtein distance
XP
+50 XP
Completed by 403 CodinGamers
0
done
Pascal Trapezoid
by player_one
Pascal Trapezoid
XP
+50 XP
Completed by 95 CodinGamers
0
done
Code your own Automaton2000, step 1
by Magus
Code your own Automaton2000, step 1
XP
+50 XP
Completed by 116 CodinGamers
0
done
Simple CPU Emulation 1
by SunMan
Simple CPU Emulation 1
XP
+50 XP
Completed by 430 CodinGamers
0
done
Hanoi tower
by Bob
Hanoi tower
XP
+50 XP
Completed by 345 CodinGamers
0
done
Google Interview - The Two Egg Problem
by [CG]OlogN
Google Interview - The Two Egg Problem
XP
+50 XP
Completed by 1,607 CodinGamers
0
done
Simple safecracking
by Shomz
Simple safecracking
XP
+50 XP
Completed by 1,331 CodinGamers
0
done
KGood
by DJ_NikJ
KGood
XP
+50 XP
Completed by 504 CodinGamers
0
done
Hangman
by [CPC]glau
Hangman
XP
+50 XP
Completed by 589 CodinGamers
0
done
Rocket mice
by player_one
Rocket mice
XP
+50 XP
Completed by 66 CodinGamers
0
done
Inertia ride
by Keelhaul
Inertia ride
XP
+50 XP
Completed by 341 CodinGamers
0
done
n Queens
by VilBoub
n Queens
XP
+50 XP
Completed by 397 CodinGamers
0
done
Candies
by Elliot
Candies
XP
+50 XP
Completed by 506 CodinGamers
0
done
Anagrams
by player_one
Anagrams
XP
+50 XP
Completed by 780 CodinGamers
0
done
Symbolic system of equations
by izanbf
Symbolic system of equations
XP
+50 XP
Completed by 56 CodinGamers
0
done
The max surface box
by VinceKanabo
The max surface box
XP
+50 XP
Completed by 457 CodinGamers
0
done
Simplify Selection Ranges
by xmetrix
Simplify Selection Ranges
XP
+50 XP
Completed by 1,704 CodinGamers
0
done
Highest truncated pyramid
by TwelveOThirteen
Highest truncated pyramid
XP
+50 XP
Completed by 658 CodinGamers
0
done
Disks intersection
by Amendil
Disks intersection
XP
+50 XP
Completed by 264 CodinGamers
0
done
TXT2HTML
by Merome
TXT2HTML
XP
+50 XP
Completed by 303 CodinGamers
0
done
Drawing Polygons
by PauloVilela
Drawing Polygons
XP
+50 XP
Completed by 350 CodinGamers
0
done
Alternative vote
by [CG]Maxime
Alternative vote
XP
+50 XP
Completed by 370 CodinGamers
0
done
Basic Decision Tree - 1
by Wei-1
Basic Decision Tree - 1
XP
+50 XP
Completed by 25 CodinGamers
0
done
Monday Tuesday Happy Days
by Bob
Monday Tuesday Happy Days
XP
+50 XP
Completed by 663 CodinGamers
0
done
Tetris
by Bob
Tetris
XP
+50 XP
Completed by 141 CodinGamers
0
done
Musical Intervals
by JBM
Musical Intervals
XP
+50 XP
Completed by 72 CodinGamers
0
done
The Highest Building
by Konrad_Wer
The Highest Building
XP
+50 XP
Completed by 299 CodinGamers
0
done
Format string validation
by Unihedron
Format string validation
XP
+50 XP
Completed by 173 CodinGamers
0
done
7-segment display
by scrauler
7-segment display
XP
+50 XP
Completed by 712 CodinGamers
0
done
The greatest number
by Magus
The greatest number
XP
+50 XP
Completed by 2,926 CodinGamers
0
done
Timer for Clash of Code
by Lupilum
Timer for Clash of Code
XP
+50 XP
Completed by 543 CodinGamers
0
done
Egyptian multiplication
by MoonCoder
Egyptian multiplication
XP
+50 XP
Completed by 593 CodinGamers
0
done
Wall Street
by MasterJos
Wall Street
XP
+50 XP
Completed by 98 CodinGamers
0
done
Reverse Polish Notation
by nicola
Reverse Polish Notation
XP
+50 XP
Completed by 314 CodinGamers
0
done
Test before Validate!
by bloublou
Test before Validate!
XP
+50 XP
Completed by 192 CodinGamers
0
done
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