This is a great interactive binary online game for students from year 5 to year 8 with basic binary foundations. It adopts play-based approach to practice calculating numbers with the binary system.
Another digital game is known as binary bracelets which involves creating bracelets as a binary representation of the first letter of student’s name. It provides opportunity to explore how data can be represented and stored in more than one way.
Resource 1: https://games.penjee.com/binary-numbers-game/