Challenging — 92 games
Sudoku
Sudoku Guru - classic sudoku
Escape from Grotto 2
FridayNightFunkin vs FNAF 2
Twist - Bunch of puzzles
Mega Puzzles - The Art
Matchstick Puzzle
Minimalist Tower Defense
Super Ball Rush
Event Alchemy: Mix and Discover!
Arrows: Help the Family
Math Crossword: Improve Your Arithmetic
Army Evolution: Merge & Tactics
Harpoon Arena
FNaF Five Nights with the Moon: 2D Platformer
Brave Froggy
Friday Night Funkin Halloween Pack
The Crystal: Roguelike Tower Defense
Trader's Way: Escape from Prison
Mortal Kombat Merge
Sudoku classic (9)
Obby but You're on a Pogo
Hookman Epic flight!
Match Junk: 3D
Merge Sprunki: Horror War
Pomni with a gun in The Amazing Digital Circus
Geometry School: Fight With Russian Teachers
Mahjong Classic
One Night at Flumpty's 3
Friday Night Funkin vs Ex
Heroes Assemble
That One IQ Test
JoJo Fight
Connect memes with animals: Reach the capybara
Spot the Cat. Hidden Cats
Knife Throwing 2D
Physics Sandbox
Minesweeper 98
Soviet Steel
Mad Pursuit: Police Chase Game