The casino games that have the best odds are those games in which the online casino has the lowest house edge. These are usually games that involve a degree of skill and strategy instead of just luck. Some games with favourable odds for players are:
Caribbean Stud Poker
Video poker
Baccarat
Black Jack
Pokies with lots of in-game bonus features like free spins, pick-and-win rounds and jackpots
If an online casino doesn't promote a game that much, then that game probably has pretty good odds!