This is Treasure Simulator 2 for Dota 2.
There are over 150 different treasures to choose from.
There are over 1800 unique items with real steam price, rarity and quality!
You are able to open unlimited amounts of treasures, winning items are deployed into your inventory. On inventory you are able to sort, filter or sell the items.
Game has trade-up contract just for fun, this is not in the official game.
Also roulette for items is present.
Virtual marketplaces make the game feel real, you can adjust prices for your sellings and buy your favorite items.