The playtest version has been updated!

Update Details:
Scene Update: The game scenes are now represented in a blueprint format, providing a warmer feel and making game items easier to access.
House Number Display: In addition to the required power in the center, the number of connected items will now be displayed in the top right corner.
Adjusted Difficulty Curve: The difficulty of the levels has been smoothed out for a better experience.
Current Levels: The playtest version now includes 30 levels, with 2 different special items available.
New Buttons:
R: Remove all lines
Z: Undo the last action
X: Redo the next action
hope you enjoy playing!