Hi, it's been a while i haven't update this fan game

Here some changelog:

- Added intro

- Added math machines (only found in farm and school map)

- Fixed principal bug

- Change title

- Added custom cursor

- Improved maze generator

- Maze generator now use seed

- Added playground (only found in school map)

- Switch zoom in and zoom out input in big map/advanced map

- Added some new posters

- Moved exit button to bottom left

- Everytime you play on school map it will randomly pick floor, wall and ceiling texture

- Npcs now open doors

- Now you need to collect 6 rulers in library map