It refers to a feature where the reels gain extra rows or positions during a spin or bonus, creating more symbols and often more paylines.
The listed RTP typically stays the same, but expanding reels can alter win frequency and volatility, making the experience feel different.
When reels expand, additional paylines can appear, increasing potential ways to win; you still set your bet per spin as usual.
Triggers vary by game but common ones include wilds, scatters, free spins, or a bonus round that expands the reel height.
They often raise volatility and can lead to bigger payouts or jackpots, depending on the game design.
Yes, most slots with this feature offer a free demo or play-for-fun mode to test it before real money.
Yes, these games are typically optimized for mobile play and work in mobile browsers or apps.
Bets vary by title; check the game’s betting range to see the minimum and maximum per spin.
Yes, expanding reels can increase both the reel height and the number of active paylines.
Learn the game’s trigger features, use any free-spin bonuses to maximize expansion opportunities, and manage your bankroll.