. Play Diamond Link: Mighty Sevens and + of your favourite online slots at Double Bubble Bingo. When three Scatter symbols. Land different diamonds in this game and you could unlock a range of bonuses and prizes, including Free Spins and some jackpots. The slot game Diamond Link: Mighty Sevens offers lots of exciting game features, including the Diamond Link Feature with four jackpots up for grabs! Diamond. Diamond Link Mighty Sevens is a 5-reel, line online slot game with bonus round, bonus spins, instant play, autoplay, video slots, wild symbol. Demo play for fun, no download or registration required. Try Diamond Link Mighty Sevens slot online for free in demo mode with no download or no registration required. This is a 5×3 slot with 25 fixed pay-lines, which makes it fairly straightforward to play overall. %. It also can pay up to x your stake – this is all. Game Type. Play Diamond Link Mighty Sevens slot completely for free, without spending any money. Diamond Link: Mighty Sevens slot is built around a top progressive jackpot that everyone has their eye on. A variety of bonus games and prizes are on offer in this game when you land different diamonds, with Free Spins and a number of jackpots available. You can turn off the gamble game, set up autoplay, or tailor. Return to player. Play £10, Get 50 Free Spins (T&Cs Apply).