Spelunky/Gameplay

Shops
At the shops you'll either come across vendors, casinos, or kissing booths.

Vendors typically sell items in sets. That is, a bomb shop will sell primarily all bombs, with possible additions such as Sticky Bombs or a bag of ropes. The merchandise that a vendor lays out can be any of the following:
 * Vendors

At the casinos you can play a game of dice to see if you win a prize. If you get a 7 you'll get an item, and anything above 7 will grant you 2x what you bet. You can't change the amount you bet, it is a price set when the casino is randomly generated.
 * Casinos