Press Spacebar to start. Use the arrow keys to move left and right, and press UP to jump. You can jump off the walls to reach higher areas. Big Tower Tiny Square is a game that requires precise timing and big jumps. The objective is to climb all the way up the tower and retrieve the pineapple at the top. However, this tower is not your typical tower. It is extremely tall, and even experienced players may take more than 15 minutes to complete the game. It is expected to take about an hour for beginners.