"What is this & who is this" is a puzzle game that aims to improve intelligence and personal intelligence. Players answer various questions about the different characters and places that the game appears in. Players answer questions about the character or place where the game appears, and correct answers are checked by the correct answers listed on the screen. The main objective of the game is to correctly answer the questions about the character or place that appears, and the game points out famous personalities or famous places that the player may have read about before. This game is an example of entertaining intelligence puzzles and is suitable for all ages.