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Guess the secret 5-letter word in 6 tries.
10 levels of color discrimination. Six squares, one is slightly different. Click the odd one out.
Six letters appear one by one, then disappear. Figure out a word that uses them all.
A weirdly-shaped blob (with a hole inside it) needs to be cut. You draw a single straight cut from outside the shape to outside, aiming for a target ratio.
Trace the target shape. Hold down and draw a closed path around the center.
6×6 Sudoku with 2×3 subgrids. Fill in digits 1–6 so every row, column, and subgrid contains each digit once.
Classic Minesweeper. 12×12 grid, 20 mines. The puzzles are designed so no guessing is needed (every move can be deduced).
Place 6 queens on a 6×6 colored grid so that no two are in the same row, column, color region, or diagonally adjacent.
A small crossword puzzle (between 4×4 and 6×6 in size).
A 6×6 grid that you fill with two symbols — stars and blue circles. Three of each in every row and every column, and no three of the same kind ever next to each other. Markers between some neighbouring cells lock those pairs together.
A picture puzzle. Clues tell you how many consecutive filled cells are in each row and column. Reveal the picture.