What is it? How to fix it? Well it's all up to you isn't it? Join with your friend to fix it and repeat as necessary. 

Support up to 2 players. Use the Keyboard arrow key to move. 

Made for within GDevelop game jam time limit, all code and/or assets are made after the jam start. 

Note:  I never made a multiplayer game before or remotely learn tutorial on how to use multiplayer feature of the Gdevelop. So this in my first attempt on multiplayer.