One Outs, Kakegurui Recommendations
Simply put both anime are about mind games. the main character is some kind of genius who knows how to manipulate his opponents.
Both animes have a genius badass protagonists which manipulates/toys with the other characters to achieve victory. Although One Outs is about baseball both revolve around gambling, cheating and using strategies.
Basically both have a genius main character, who has to manipulate his oponents to win the game. They also involve mind games and gambling with large amounts of money.
Both anime involves gambling in a way that involve some brain games and taking high risks.
Gambling large sums of money,
Main character is a brilliant genius,
Overly exaggerated reactions,
That one character who asks the MC questions to help the audience understand what is going on.
Both about gambling anime