Steam Tower by NetEnt is a five-reel slot with 15 paylines and an Industrial Revolution theme centred on an engineer climbing a tower to rescue a princess. The game uses a floor meter beside the reels to show progress through 16 levels, with multipliers increasing as the tower is climbed.
The base game includes standard card symbols from Jack to Ace, along with the engineer, princess, Steam Tower icon, and dragon’s eye as higher-value symbols. The engineer’s tools act as wilds, substituting for other symbols, while stacked wilds can cover full reels and help trigger the bonus features.
In the demo version, players can play for free to review the mechanics before playing for real money. Free Spins start when stacked wilds land, awarding ten spins and moving the engineer up the tower, with extra wilds adding two more free games and increasing the multiplier meter.