Castle Club is where you find the game's three "serious" courses--Forest, Seaside, and Mountain--each of which hosts a tournament that must be won to progress to the next. Unfortunately, these courses are largely forgettable, particularly in comparison to the game's more exotic, themed offerings, and none of them feature the challenging layouts or undulating greens that seasoned video game golf players might hope for. I had little desire to return to any of them after winning each of the 18-hole tournaments, and the manner in which you're forced to unlock each tournament in order feels unnecessarily restrictive.
More troubling, though, is how Castle Club is an entirely separate entity from World Tour's more arcade-style offers in Mario Golf. A comprehensive series of practice sessions explain how elevation, ball lie, and wind affect shot selection. But while the challenges on offer at the Castle Club highlight the importance of skillful play, the courses unlocked in Mario Golf mode can be won and lost through the use of power-ups and novelty items, which is jarring after being taught the sport in a more serious manner. Still, once you've got to grips with the likes of Bullet Bills, Bob-ombs, and speed pads, courses like the candy-hued Peach Gardens and the coral-decorated underwater holes of Cheep Cheep Lagoon provide some thoroughly entertaining and humorous moments.
The sheer charm of World Tour and its collection of classic Nintendo characters and environmental details go a long way towards keeping you entertained, though. There's a 12-strong cast of familiar faces to play as in Mario Golf mode, including the likes of the always lovable Mario and Luigi. Seeing them compete in a clutch of fun single-player modes that include stroke and match play, speed golf against the clock, and point play while they spout their classic catchphrases never fails to raise a smile.
It helps that there's lots to do too. There are versus options, numerous tournaments, and a series of challenges, some of which test your skill while others focus heavily on the use of power-ups. Sending your ball floating through the air over longer distances, or skimming across a handily placed speed pads feel great, at least once you've figured out what you're supposed to be doing with them. Challenges that incorporate them include completing a series of holes while hitting the ball through oversized rings, smacking moles out the ground, using a random selection of clubs, or competing against one of the 12 AI characters to unlock his or her Star Player equivalent (a more powerful but trickier to control version of the basic character).
Every round that you complete--be it in tournament play or in challenges--earns you coins to spend on gear and equipment in the castle boutique.