Hold [Right Click] to move the Blue player characters around (speed depends on distance to the Mouse), and the Green characters should follow the nearest Blue.
You can [Left Click] on any character (or dark grey wall) to destroy it. Press [~] (Tilda) to view or hide what the Waypoints' search would look likeYou can go here with questions or comments:
https://community.flowlab.io/t/4-pathfinding-player-follow-examples-platforming-top-down/36367/27