Mammoth Gold Megaways and its unseen maximum win
Every spin lands a new set of symbols at random, so the bonus round can come on the next spin or after a long run without it. No one can say in advance how often it will come. The result of one session is random whatever the RTP, because the RTP is a long-run figure and not a promise for the next session.
Each spin on the reels pays at one RTP version, and Bigwin Casino sets which version is live. That choice is shown only in the game rules, so open them inside the game before the first spin. The version in use is named there and nowhere else on this page, and the table above shows both in money.
Reels rarely line up the top win, and the maximum win of Mammoth Gold Megaways is a ceiling that very few rounds reach. Nobody can plan a session around it, since no spin shows in advance whether a big combination is coming.