Poly Bridge

A physics-driven bridge builder. Like shop class!

Poly Bridge is equal parts accessible and difficult. Either way, it's a game that brings pure joy when your bridge successfully stays in one piece. When your bridge busts into pieces, it's hard not to laugh. Also, you can create a GIF of your successes and failures. Here's a Let's Play from Sips.
I adore games like this, and the low-poly look really sets it apart. Also it runs on a Macbook Air, so +1 for that!