This is an adaptation of a well-known game designed for two players/teams.
Each player/team takes it in turns to select an empty position which will reveal a question.
Any design of question is possible from simple multiple choice, video based, drag and drop interactions or just about anything elese.
If the question is answered correctly the position will change the appropriate colour; if answered incorrectly it will remain blank.
When a player/team turns four adjacent locations (horizontal, vertical or diagonal) the same colour they win the game.
So long as you have 30 questions, I can adapt this theme for any subject you wish.