- Allow toggling lasers
- Improve controls
- Save/Load
- Zoom in and out
- Smooth zooming
- Flip switches
- Selection
- Move
- Clone
- Delete
- Lamps
- Two-sided mirrors
- Undo/Redo
- UI
- Main menu
- Load & save menus
- In-game interface
- Components (re-usable laser circuits)
- Load & save components
- Pause & Step
- Change UPS at runtime