Achievements...
	Ball games...
	Characters...
	Courts...
	Secret Achievements...
	Stages...

Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
After Burner ( 20 points )	Hit a serve over 100mph / 160kph.
Ball Buddies ( 30 points )	Win 5 Xbox Live Doubles matches.
Beat them All ( 30 points )	Beat all characters in Singles matches.
Cameo Appearance ( 20 points )	Hit a Sega court cameo.
Challenges 101 ( 30 points )	Complete all Challenges in all Sega games ( Rank A ).
Classic Complete ( 20 points )	Complete all Challenges in one Sega game ( Rank A ).
Climb the Ladder ( 20 points )	Win the final stage in Tournament mode.
Dragon Slayer! ( 20 points )	Destroy the Final Squilla in under 20 seconds!.
Full Roster ( 30 points )	Unlock all Secret Characters.
Let's Get Friendly ( 20 points )	Win 10 Xbox Live Player matches.
Magical Sound Shower ( 30 points )	Unlock all Secret Music Tracks.
Master Tagger! ( 20 points )	Clear a Tag without missing a shot!.
Mouse Mania! ( 20 points )	Rescue 500 ChuChus over time!.
Original Teams ( 30 points )	Beat all the classic Doubles pairs.
OutRun ( 20 points )	Run a total of 10 kilometers / 6 miles.
Party Time ( 30 points )	Play each type of Ball Game Multiplayer.
Play Ball ( 10 points )	Win your first match.
Play the Field ( 30 points )	Unlock all Secret Courts.
Pot Black! ( 20 points )	Clear 4 Trick Shots in one game!.
Puyo Puyo! ( 20 points )	Clear a 20 Puyo combo!.
Score Attacker ( 30 points )	Unlock all Ball Games.
Secret Stage ( 30 points )	Beat the hidden stage in Tournament mode.
Seeing Stars ( 20 points )	Enter Superstar mode 10 times in a match.
Sega Rally ( 20 points )	Hit a 40 shot rally.
Starting Grid ( 10 points )	Win with all 8 starting characters.
Step into Sega World ( 10 points )	Complete your first Challenge ( Rank A ).
Super Sonic ( 20 points )	Collect 7 Chaos Emeralds in one game!.
Surf the Net ( 10 points )	Win a Match on Xbox Live.
Supercop! ( 20 points )	Destroy Kong without being hit!.
To be this good takes AGES ( 60 points )	Complete all Challenges in all Sega games ( Rank AAA ).
To The Max ( 20 points )	Hit 3 Max serves in a row.
Top Gun ( 20 points )	Hit 100 aces.
Top of the Tree ( 20 points )	Win a Tournament on Xbox Live.
Top Ranker ( 20 points )	Win 10 Xbox Live Ranked matches.
Space Channel 5 ( 10 points )	Watch a match on TV.
Swinging Report Show ( 30 points )	Become a TV Superstar.
Zombie Hunter! ( 20 points )	Hit an 8 zombie combo!.

Complete the indicated task in Planet Superstars mode to unlock the corresponding ball game.

Virtua Squad: Complete "Get A High Score!" on the "Virtua Squad" stage.
Puyo Pop Fever: Complete "Get A High Score!" on the "Puyo Puyo Fever" stage.
Space Harrier: Complete "Get A High Score!" in the "Space Harrier" stage.

Complete the indicated task in Planet Superstars mode to unlock the corresponding character.

Alex Kidd: Complete Tournament Singles in the "Alex Kidd" stage.
Amy Rose: Complete Tournament Singles in the "Sonic The Hedgehog" stage.
Gilius Thunderhead: Complete Tournament Singles in the "Golden Axe" stage.
Gum: Complete Tournament Doubles in the "Jet Set Radio" stage.
MeeMee: Complete Tournament Singles in the "Super Monkey Ball" stage.
Pudding: Complete Tournament Singles in the "Space Channel 5" stage.
Reala: Complete Tournament Singles in the "NiGHTS" stage.
Shadow the Hedgehog: Complete "Tournament Doubles" in the "Sonic The Hedgehog" stage.

Complete the indicated task in Planet Superstars mode to unlock the corresponding court.

Sonic The Hedgehog: Complete Exhibition Singles in the "Sonic the Hedgehog" stage.
Outrun: Complete Exhibition Doubles in the "Outrun" stage.
NIGHTS: Complete all Jet Set Radio missions.
Golden Axe: Complete all Super Monkey Ball missions.

Additionally there are eight secret achievements.

Achievements	How to unlock
Eei-Eei-Poo! ( 20 points )	Unlock MeeMee. A stylish monkey who is adored by all other monkeys.
Jan-Ken-Pon! ( 20 points )	Unlock Alex Kidd. For seven years he lived on Mount Eternal studying the ancient art of Shellcore.
Nightmare ( 20 points )	Unlock Reala. Only in your wildest dreams.
Piece of Cake ( 20 points )	Unlock Pudding. Get your coverage from Channel 42.
Rose ( 20 points )	Unlock Amy Rose. There's no hiding from her, so pink and upbeat. Such a tough cookie and so sweet.
Sonic Rival! ( 20 points )	Unlock Shadow. I am the world's Ultimate Life Form.
Stuck To Your Blades ( 20 points )	Unlock Gum, An original member of the GGs.
Thunderhead ( 20 points )	Unlock Gilius. His brother was killed by Death Adder.

Complete the indicated task in Planet Superstars mode to unlock the corresponding stage.

Alex Kidd: Complete "Get A High Score!" in the "Space Harrier" stage.
Golden Axe: Complete "Speed Rings" in the "Sonic The Hedgehog" stage.
NiGHTS: Complete "Monkey Ball Keep Up" in the "Super Monkey Ball" stage.
Outrun: Complete "Hit Justice Shots" in the "Virtua Squad" stage.
Puyo Pop Fever: Complete "Doubles Match" in the "Super Monkey Ball" stage.
Space Harrier: Complete Tournament Singles in the "Space Channel 5" or "Virtua Squad" stage.
Virtua Squad: Complete "Hit The Big Zombies!" in the "Curien Mansion" stage.