Build both sides of a trade and see whether it looks fair, a win, or a loss using our catalog value index. When you find an item you want, buy it on Mystery Market with guest checkout — no sign-in required.
First order? 5% off your first order with code WELCOME5 at checkout.
Catalog scope
Comparison mode
Limit the item picker to one or more games.
Games
Side A
0
Your offer
Search and tap items to build your side.
Side B
0
Your offer
Search and tap items to build your side.
Ready to buy?
Full catalog →Pay with card or Robux — no Discord account required.
