Play'n GO
Sparky & Shortz Hidden Joules is a 7x7 cascading video slot game.
Landing Alien or Crystal symbols in 2x2, 4x1 and 1x4 clusters of the same type will transform into Mega Symbols. Each transformation increases the Win Multiplier by +1. Each transformation remains as 4 symbols for the purposes of creating winning combinations. The Win Multiplier is capped at x25.