If You complete the indicated task You'll get the allotted gamerscore.
Hole In One! (30) - Hit the ball in the hole with one stroke.
Lawnmower (30) - Swing 1,000 times.
Online Challenge (30) - Play online modes and beat a total of 10 other players.
Grab a Cup (20) - Win a game in cup mode.
Eagle Eye (20) - Hit an eagle (two below par) on a par 4 or higher hole.
Caribbean Challenge (10) - Complete the Caribbean course under par.
Parkland Challenge (10) - Complete the Parkland course under par.
Chip In (10) - Hit the ball in the hole from outside of the green with any other club than the putter.
Networking (10) - Complete one course in any mode online.
Bag a Birdie (10) - Hit a birdie (one below par) on any hole.