Casinos with the highest first deposit bonuses (2026)

First deposit bonuses at online casinos, or welcome bonuses. Get extra money to play at online casinos by making a deposit with first deposit bonuses. How to do it? Choose a suitable casino based on the amount of the deposit bonus, or the range of games on offer, or the accepted payment method. You can choose from our list of proven casinos with good welcome deposit bonuses (updated 2025).