WASD to look around. :) If you remix and want to make a full world, then add more costumes to the Objects and mess around with the Add Object xyz block.
The man that made this tutorial: TheGreenFlash's tutorial : https://m.youtube.com/watch?v+tX_x4iYvspU . This Man Deserves A lot of subscribers. He is a genius. https://m.youtube.com/channel/UChEIM7k1RpV1kkRq0lbvMrA He's got now in June 2021, 1.1k Subs! Nice Job!