Provided herein is an on-line multiplayer gaming system to score real-world angling events of multiple players. The system includes a first angling event sensing device, processor, and a gaming application on a first mobile device in communication with a recreation monitoring platform. The system further includes a second angling event sensing device, processor, and a second gaming application on a second mobile device in communication with the recreation monitoring platform. The recreation monitoring platform calculates scores for the first and second player based on data from their respective angling event sensing device.