Have you ever scoffed at a subway delay? Rolled your eyes at yet another crowded Q train? Looked at a veiny metro map and said, “Give me five minutes and a Sharpie and I’ll show you a more efficient system?”

Well, my friend, it’s time to put your fingers where your mouth is (unless, oh god, you’ve recently been holding onto a train pole). The free, in-browser game Mini Metro lets you design your own subway system. Players simply drag and extend lines between an ever-increasing number of stations while tiny symbols wait to catch a ride. A polished version of the game will eventually be released on tablets, PCs, and Macs, but for now, the online version is fun enough.

Reader support makes our work possible. Donate today to keep our site free. All donations TRIPLED!

It’s a potent timewaster, too: A cursory look by this reporter turned into a full hour of frantic clicking and cursing at traveling triangles who just want to get home to see their kids. OK, full confession: I’m playing right now.

So go on, play metro god. Throw tracks down. Dig underwater tunnels with a flick of your hand. Add cars to crowded lines. Become a subway savior or stand back and look at the horror you’ve created, you malevolent deity, you.

Grist thanks its sponsors. Become one.

After you spend long, nail-biting moments watching tiny circles and triangles shake in indignation at delayed trains, you’ll never look at your commute the same way again. Here’s a trailer for the game:

[youtube http://www.youtube.com/watch?feature=player_embedded&v=EoOjTMn7oN0]

Sorry to have forsaken you, lil’ furious commuting squares. I’ll do better next time.