In PULL The Pin 2021 on Zarium, you have to free the balls whose path is blocked. They will stream in the right direction, but in each case you must adhere to the conditions.
You do not need any special invitations in order to unlock the deadlocks in the game
You have to evaluate each game situation to choose the right sequence of actions. Study the possible obstacles and their impact on the balls. When you assess all the options for moves and possible results - it's time to remove the barriers-bolts.
Remember that only colored balls should be poured. If there are gray balls in the maze, they are to be colored by mixing with the colored mass.
Train your logical thinking, attention to detail and planning skills. Have an interesting game!