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A spin feature round is a bonus mechanic inside a slot where extra spins trigger automatically, often with altered reel modifiers. The studio's rules panel shows exactly how it activates.

Volatility describes how often a slot pays and in what size. High volatility means less frequent payouts but larger amounts when they land; low volatility means smaller, more regular returns.

A crash multiplier is a rising number in crash-style rounds. You collect before it stops; if the round ends first, the stake is lost. The multiplier path is determined by a provably fair algorithm.

RTP stands for Return to Player — the theoretical percentage a game pays back over a very large number of rounds. It is a studio-published figure, not a round-by-round prediction.

A payline is a fixed or flexible path across the reels where matching symbols count as a win. Modern slots may use cluster pays or ways-to-win instead, which the game rules describe.

KYC stands for Know Your Customer — the identity verification step before a withdrawal is processed. It typically involves confirming your registered bKash or Nagad wallet matches your account name.