SoTo is a challenging game which you need a good plan to pass safely through the path of enemies. In order to collect the keys and unlock the locks, you need to adjust your timing well. ...Keys are the primary gameplay elements of SoTo. You need the correct key for each lock. If you have a key when you collide with the enemy, you won't lose a life but the key will drop. By leaving a key on the enemy's path, you can block the enemy from moving and open a safe route for