Step 1: Access on Website http://origame.club/game
Step 2: Select Store => In store, you choose the type of currency that you want to buy => Buy now
Step 3: The Order table appears, you please fill in the box "Email address" => Wallet address=> Press Submit and wait for the system sending money for you. It can take some hours.

NOTE: You have to fill correct Email and wallet address. If wrong, you won't receive BTC, ETH and it's important thing that you are still deducted Ruby. Wish you convert successfully!