GridMind is a clean, offline-friendly collection of 22 grid-based mini-games that test your memory, pattern recognition, logic and spatial reasoning. No ads, no accounts, no distractions.

MEMORY AND PATTERN GAMES
- Simon Game: Repeat longer and longer flashing color sequences. Choose 2 to 9 buttons and three speeds.
- Pattern Echo: Recreate briefly lit patterns, with optional rotations and mirrors.
- Missing Piece: Memorize a grid of numbers or colors, then find what is missing.
- Sequence Trail: Tap numbers in ascending order before their countdown timers run out.

SPATIAL PUZZLES
- Slide and Solve: Slide rows and columns to match a target pattern in as few moves as you can. Grids from 3x3 to 5x5.
- Collapse: Match-3 style block clearing with customizable rules and gravity in any direction.
- Path Weaver: Route a path from start to finish past obstacles, with power-ups and one-way walls.
- Binary Lights: Toggle cells and their neighbors to match a pattern or turn every light off.
- Grid Painter: Draw a target pattern with a moving paintbrush, using as few moves as possible.
- Mirror Match: Change half of the grid so it mirrors the other half perfectly.
- Shape Shift: Swap adjacent tiles to match the target color grid.

LOGIC, WORDS AND TRANSFORMATIONS
- Sum Grid: Select adjacent numbers that add up to the target sum.
- Word Search: Find the hidden words in the letter grid.
- Rotate Matrix: Spin quadrant sections of the grid to match a target.
- Gravity Shift: Slide tiles under gravity to match a target pattern.
- Pulse: Tap in time with a rhythmic grid wave.

FAST ARCADE AND SCORE ATTACK
- Color Flood: Flood-fill the board with a single color, starting from the top-left corner.
- Grid Runner: Collect gems without hitting walls or crossing your own trail.
- Chain Reaction: Trigger chain reactions to clear the board with limited taps.
- Grid Miner: Collect resources on a grid within a move limit.
- Territory: Enclose and control areas of the grid.
- Cluster: Connect matching colors to build the biggest clusters within your move limit.

MADE FOR SHORT SESSIONS
- Set your own challenge: grid sizes, move limits, timers and other options for every game
- A quick how-to-play walkthrough the first time you open each game
- Personal high scores for every setup, plus favorites for quick access
- Light, dark or system theme, with Classic, Pastel, High Contrast and Color Blind palettes, or build your own
- Optional ambient background music with six tracks. Switch it off to keep your own podcast or audiobook playing.
- Plays offline. The internet is used only if you choose to send feedback or turn on anonymous diagnostics.

PRIVACY
No ads and no accounts. Anonymous usage diagnostics are optional and stay off until you allow them. Feedback you send from the app is posted as a public issue on GitHub, so please leave out personal details.

GridMind is open source under the Apache License 2.0: https://github.com/sentientbeingsoftware/gridmind

If you want a pure, no-nonsense puzzle experience that engages your brain without interruption, GridMind is the game for you.