The option to deposit appears in the top right of slotstemple.com. Simply click on this button and then register your Debit Card to proceed.
The option to deposit also appears in-game when playing a real money slot, as well as on the entry button for pay to play slots tournaments (if your balance is lower than the entry fee).
Deposit methods available
Debit Card (UK issued only) - minimum £10
Please note that the card must belong to you and be registered in your own name. Personal Debit Cards only (Business Debit Cards not allowed).