To play progressive slots with the Litecoin testnet, you will need to have testnet Litecoin in your account to play with. To make a deposit, send testnet Litecoins to the address generated below. (You may have to generate one if you haven't). Once you have made a deposit, you must wait for the funds to confirm before you can play. Once they are confirmed, they will show up in your account.
Access to your account is controlled by an access key. To get access to your account, bookmark the url below:
Your Deposit Address: QQ1J9iyPoMDNnxtrrYienEg3TYkXGR9GSg
Your Account Balance: 0 LTC