24-Hour Clock
UtilityFull-screen 24-hour clock with active wake lock and start/stop timestamp logger.
Open ClockSudoku
Logic & PuzzleClassic 9×9 grid puzzle with 5 difficulty levels, session auto-save, and pencil note highlighting.
Play SudokuPong
Retro ArcadeClassic arcade table tennis with VS AI or 2-Player modes, 3 speed profiles, and audio effects.
Play Pong2048
Tile Merge PuzzleSlide matching tiles to combine numbers with custom colors, undo support, and high scores.
Play 2048Space Invaders
Retro ArcadeDefend Earth against descending alien waves with smooth ship movement, audio, and high scores.
Play Space InvadersMinesweeper
Logic PuzzleClassic minefield puzzle with 3 difficulty presets, mobile flag toggle, and auto-save sessions.
Play MinesweeperAsteroids
Retro ArcadeVector space shooter featuring 360° rotational thrust, inertia physics, and splitting space rocks.
Play AsteroidsSnake
Retro ArcadeClassic arcade snake with 3 speed levels, touch swipe controls, and local high score tracking.
Play SnakeDual N-Back
Working Memory TrainerScientific cognitive exercise tracking simultaneous spatial and auditory patterns N-steps back.
Play Dual N-Back