Play by filling a 9×9 grid with numbers 1-9. Use logical deduction to complete rows, columns, and subgrids. Solve puzzles with varying difficulty levels. Track progress and restart puzzles at any time.
Practice and estimation by helping Toby extinguish fires with water balloons. Adjust water amounts to match fire sizes. Avoid using too much or too little to prevent running out of water or failing to put out fires.
Simplifies boolean expressions using Karnaugh maps for 2, 3, and 4 variables. Converts truth tables to K-maps and generates minimized output. Allows variable renaming from ABCD to WXYZ.
