Free spins timing and session outcomes
Deciding to stake on Gates of Olympus Super Scatter means accepting that the free spins come on no fixed schedule. How often they arrive is not known in advance, and the result of one session is random whatever the RTP. The RTP describes an average over a very large number of spins, so it says little about the next few spins you play.
Checking which RTP version runs on this site means reading the game rules, which are the only place that states it. The three versions return slightly different averages, so the version matters over many spins. Read the rules before comparing the versions.
Aiming for the top prize means accepting that the maximum win is a ceiling, not an expected result. Wins at that level are reached very rarely, and the figure does not show how often that happens. Treat it as the most the game can pay, and keep stakes within what you can afford to lose.