A game can have the same name in a land-based casino and online, and still behave differently.
To most players, it feels like the same product. Blackjack is blackjack. Roulette is roulette. Slots are slots.
But the house edge depends on the exact rules, payouts, and settings behind the game. When those details change, the long-run cost changes too. Sometimes it changes a little. Sometimes it changes enough to matter over a month of play.
This is not about one version being “rigged” and the other being “fair.” It is about configuration. Land-based casinos and online casinos operate under different constraints, different business pressures, and different delivery systems. That creates room for differences in odds.
This article explains why house edge can differ between land-based and online versions, what causes the differences, and how to check the details that actually matter before you assume you are playing a better-value game.