Locate the Blue Heart gemstone and win big in this EGT video slot. Check out our thoughts on the game by reading this full review before you play! Play Blue Heart free video slot game from EGT without the need to register, Although they are one of the smaller online casino software providers, EGT have. Play Blue Heart Progressive slots by Euro Games Technology online. This free slot features: 5 reels, Free Spins, Scatter Symbols, Wild symbols.