- 500 Thrill points
While in a park, press B, X, Y, B, X, Y, X. If you entered the code correctly, you will hear a sound.

- All parks
While in a park, press X, B, Y, X, B, Y, X to unlock all parks. If you entered the code correctly, you will hear a sound.

- Getting Thrill points
You can get Thrill Points for doing almost anything, such as running a mile, riding a coaster, painting a stall, etc. If you get enough Thrill points, you will advance to the next managerial level. A good way to earn Thrill Points is to pick up shiny signs that can be from shrapnel to an anti-Thrillville ad.

- $50,000
While in a park, press X, B, Y, X, B, Y, A. If you entered the code correctly, you will hear a sound.

- Achievements
Do the following things to obtain the corresponding Gamerscore points:

10 Points
Coaster Boaster	Design a rollercoaster.
Party Dude	Play 20 party games with your friends.
Teamwork	Finish a minigame in coop mode.
Putt putt power	Design a minigolf course.
Chatter Box	Fill your MyCrowd list.
Money Maker	Achieve a combined park value of $100,000 .
Party Host	Finish a four player battle or co-op game in party play.
The Green	Find all Mortimer's cash drops hidden in all parks.
Karting Krazy	Come 1st in 20 races.
Coaster Dropper	Build a coaster with a drop height of over 300 ft.
Crackshot	Get a X5 combo multiplier in a shooting gallery.
Disc Jockey	Acquire all the Hypnodiscs.
Propaganda	Acquire all the anti-Thrillville propaganda boards.
Casanova	Become sweethearts with 10 park guests.
Challenge Champ	Be victorious in 10 challenges with park guests on any minigames.
Fore!	Finish a round of timed mini golf on hard.
Flippin' Great	Perform a 720 backflip in Stunt Rider.
White Knuckle Ace	Build all WHOA pieces.
Smooth Move	Get a 60 note combo in the entertainer mini-game.
Whoa	Finish a coaster using a whoa piece.
Coaster Speedster	Build a coaster with a top speed over 80 mph.
The Rainbow	Acquire all the Nano Paint Sprayers.
Sparkling Secret	Discover all the secret areas on Sparkle Quest level 1.
15 Points
Sprint King	Get a best lap time under 4'90' seconds on the first track on Autosprint 2.
Perfect Clearance	Pocket all the balls in one turn at the table.
King of the Ring	Be victorious in a match by knockout on Robo K.O. without losing any health.
UFO Survivor	Survive without being knocked out of the arena in Saucer Sumo on normal difficulty.
Lunar Lunatic	Finish Event Horizon 2 on hard difficulty.
Spoon Time	Get 30.000 points in 3 moves on Trampolines.
20 Points
Stunt Rider!	Finish Stunt Rider.
Be victorious inner!	Successfully win 20 multiplayer battle games.
Thrillville Talent	Reach park owner level 2.
Squadron Ace!	Finish Squadron Ace.
Bandito Clearer	Finish Bandito Chinchilla.
Super Sparkler	Finish Sparkle Quest.
Sideshow Superstar	Get a 5 star rating score on all sideshow games.
Tank Commander	Finish Tank Frenzy.
30 Points
Traitor	Finish the 'Traitors Arena' mission in Thrillville Holiday.
Robots	Finish the 'Clearance Sale' mission in Thrillville Otherworlds.
Hypnosis	Finish the 'Trance-Cendtal' mission in Thrillville Giant.
Sabotage	Finish the 'Alien Antics' mission in Thrillville Explorer.
Critics	Finish the 'Bribery 101!' mission in Thrillville Stunts.
40 Points
Thrillville Explorer	Unlock Thrillville Explorer.
Games Master	Finish all arcade games.
Thrillville Otherworlds	Unlock Thrillville Otherworlds.
Thrillville Giant	Unlock Thrillville Giant.
Thrillville Sensation	Reach park owner level 5.
50 Points
Thrillville Superstar	Rank in the top ten on any online leaderboard for Thrillville
60 Points
Thrillville Holiday	Unlock Thrillville Holiday.
Thrillville Phenomenon	Reach park owner level 10.

- All missions
While in a park, press X, B, Y, X, B, Y, B to unlock all missions. If you entered the code correctly, you will hear a sound.

- Mission completion
While in a park, press X, B, Y, X, B, Y, B. If you entered the code correctly, you will hear a sound. Push X at the mission selection screen to complete the highlighted mission and unlock the next mission. Notice: Each time X is pressed on a highlighted mission, the rank of the completion increases (from Bronze, to Silver, and finally Gold). To reverse your progression on a mission, press B at the mission selection screen to remove the highlighted mission medal.

- All rides
While in a park, press X, B, Y, X, B, Y(2) to unlock all rides. If you entered the code correctly, you will hear a sound.

- All Party Play mini-games
While in a park, press X, B, Y, X, B, Y, Right to unlock all Party Play mini-games. If you entered the code correctly, you will hear a sound.