Sci-Fi Slot Games

No — the theme only describes the art and story, not the mechanics. Sci-Fi slots on this site come from Wicked Games, Genii, AccaMAX, each with its own RTP, volatility, and bonus features, so it's worth checking a game's own stats rather than assuming from the theme alone.

Cyber 3x3 by PoggiPlay has the highest published RTP among sci-fi slots on this site, at 96.3%. Not every game in this theme has a published RTP, so this reflects what's actually disclosed, not the full set.