The Colossal Gems slot machine is a retro-styled game from Habanero with reels measuring 6 by 5. It is packed with bright symbols in the shape of gemstones. If you are a fan of clean games with beautiful symbols, this needs to be a slot that you try soon. Land a win as you play Colossal Gems slot online and you will unlock a free respin with a 2x2 symbol. Keep grabbing wins to build up the size of these giant symbols and unlock 6 free spins. The creators Habanero have kept this slot simple, but there are plenty of chances to grab some great wins!