Challenging - 216 games
Cursed Treasure
Unscrew Screws: Build Home
Circles - PuzzleHeap
Friday Night Funkin': Poppy RapTime
Bullet survivor
Wooden Blocks Puzzle
OpenXcom Extended
Sudoku Sensei
Knife Madness
Killer Sudoku
Merge Master: Dinosaurs War
PuzzleMania: Paw Patrol
Sudoku PRO
Match the Colors - puzzle for everyone
Friday Night Funkin vs Imposter 2.0
Jigsaw Sudoku
Friday Night Funkin vs Imposter AfterNated
Spill by color
Sea Battle Classic
In search of treasure
Make Words from Words
Obby but You're on a Bike
Blockart: Color Mine!
Dots Sudoku
Dinosaurs Merge Master
Friday Night Dustin
Sudoku free
Cryptogram: Cipher
Tank Attack 5
Merge Blocks
KS 2 Teams
Theme Hospital Tycoon
Lines 98 Old School
Tap Away 3D Puzzle
Checking and training your reaction: test
Sudoku
Associations - Test your brain!
Sudoku Guru - classic sudoku
Escape from Grotto 2
FridayNightFunkin vs FNAF 2