Coins are how you go further, see more real venues, and unlock fun stuff along the way. Here's exactly what they do, what they cost, and how to get more. No confusing fine print.
Every coin cost below is a one-time unlock unless marked "repeatable", meaning once you unlock it, it's yours for good.
Bigger packs get you more coins for less per coin. The math does the "bulk discount" for you, so just pick what fits your adventure.
If you're playing every week, a monthly Pass gets you more coins than you'd spend buying them one at a time, plus perks that stick around all month.