Pipe Dream / LucasFilm Games (1989)

Pipe Dream is an abstract strategy puzzle game, originally released in 1989, where you must quickly construct a continuous network of pipes to guide a substance called 'flooz' as far as possible. Players strategically place seven types of pipe segments—lines, corners, and crosses—before the flow starts. The core challenge involves optimizing the layout, as you can replace existing pieces for a small score penalty if the initial design fails. The game offers a pure, time-pressured spatial reasoning experience across its various levels.