What’s new at Brain Workout.

• All four games are designed for a medium challenge, with no countdown. The two board puzzles start from verified solvable layouts.
• Sliding Puzzle and Lights Out support undo. Make 24 lets you undo freely or reveal a solution when you want to move on.
• Each game includes its own instructions, worked example and scoring explanation. Completed results join your personal bests and collection progress in this browser.

Turn off a 4×4 light board by flipping cross-shaped groups. Plan your taps in this untimed, medium logic puzzle.

Crack a four-symbol secret in eight guesses. Use exact and misplaced clues to narrow down the code, without a timer.

Combine four numbers with +, −, × and ÷ to make exactly 24. Three solvable puzzles, no countdown, and unlimited undo.

• Four memory games cover digits, sequences, grid patterns and matching pairs. Focus games add number scanning and an ink-color challenge.
• Reaction Time measures five responses, Typing Speed offers a one-minute typing round, and Mental Math checks ten arithmetic answers.
• The launch includes touch and keyboard controls, light and dark themes, game-specific tips and local personal bests. Scores stay separate because each game measures a different task.