Of course, there are literally bajillions of multiplication practice games available online.
Well, here’s an idea: play a game that requires multiplication. Memorizing your times tables is a rote activity, it requires a fair bit of repetition for most, and it may need to be made fun. Math doesn’t need to be made fun it already is fun. (Important note: times tables are not math. We adults, rightly, ask, “How can we make it fun?” Unfortunately, practicing times tables can be unmotivated and boring for kids. Every kid needs to learn their times tables at some point, and this means practice.