Gustav Minebuster is a slot game from Red Rake Gaming set in a dwarf mine with gemstone symbols across a 7x7 grid. The pay structure is based on matching five or more identical symbols in vertical or horizontal lines, with wins cleared from the board and new symbols dropping into place through a cascading mechanic.
The dwarf figure acts as the Wild symbol, replacing other symbols and helping complete combinations. Wilds can also move to fill gaps after a win, remaining on screen until the grid is refilled. A Free Spins feature is shown in the interface, along with a pay table that lists symbol values and win tiers.
This demo version allows players to play for free and practice before playing for real money. The game has high volatility, an RTP of 95.5%, and bet settings from 0.2 to 20.