Sega Superstars Tennis Cheats (Xbox360)

Successfully complete the indicated task in Superstars mode to unlock the corresponding
stage:

Alex Kidd: Successfully complete "Get A High Score!" in the "Space Harrier" stage. 

Outrun: Successfully complete "Hit Justice Shots" in the "Virtua Squad" stage. 

Space Harrier: Successfully complete Tournament Singles in the "Space Channel 5" stage. 

Virtua Squad: Successfully complete "Hit The Big Zombies!" in the "Curien Mansion" stage.

Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

Play Ball (10 points): Win your first match. 

Starting Grid (10 points): Win with all 8 starting characters. 

Beat them All (30 points): Beat all characters in Singles matches. 

Original Teams (30 points): Beat all the classic Doubles pairs. 

Cameo Appearance (20 points): Hit a Sega court cameo. 

To The Max (20 points): Hit 3 Max serves in a row. 

Seeing Stars (20 points): Enter Superstar mode 10 times in a match. 

Sega Rally (20 points): Hit a 40 shot rally. 

Top Gun (20 points): Hit 100 aces. 

After Burner (20 points): Hit a serve over 100mph / 160kph. 

OutRun (20 points): Run a total of 10 kilometers / 6 miles. 

Step into Sega World (10 points): Complete your first Challenge (Rank A). 

Classic Complete (20 points): Complete all Challenges in one Sega game (Rank A). 

Challenges 101 (30 points): Complete all Challenges in all Sega games (Rank A). 

To be this good takes AGES (60 points): Complete all Challenges in all Sega games (Rank
AAA). 

Full Roster (30 points): Unlock all Secret Characters. 

Play the Field (30 points): Unlock all Secret Courts. 

Score Attacker (30 points): Unlock all Ball Games. 

Magical Sound Shower (30 points): Unlock all Secret Music Tracks. 

Climb the Ladder (20 points): Win the final stage in Tournament mode. 

Secret Stage (30 points): Beat the hidden stage in Tournament mode. 

Mouse Mania! (20 points): Rescue 500 ChuChus over time.

Zombie Hunter! (20 points): Hit an 8 zombie combo.

Master Tagger! (20 points): Clear a Tag without missing a shot.

Puyo Puyo! (20 points): Clear a 20 Puyo combo.

Super Sonic (20 points): Collect 7 Chaos Emeralds in one game.

Dragon Slayer! (20 points): Destroy the Final Squilla in under 20 seconds.

Pot Black! (20 points): Clear 4 Trick Shots in one game.

Supercop! (20 points): Destroy Kong without being hit.

Party Time (30 points): Play each type of Ball Game Multiplayer. 

Surf the Net (10 points): Win a Match on Xbox Live. 

Top of the Tree (20 points): Win a Tournament on Xbox Live. 

Ball Buddies (30 points): Win 5 Xbox Live Doubles matches. 

Top Ranker (20 points): Win 10 Xbox Live Ranked matches. 

Let's Get Friendly (20 points): Win 10 Xbox Live Player matches. 

Space Channel 5 (10 points): Watch a match on TV. 

Swinging Report Show (30 points): Become a TV Superstar.

Additionally, there are eight secret achievements, all of which are currently unknown:

Secret achievement (20 points): Unknown. 

Secret achievement (20 points): Unknown. 

Secret achievement (20 points): Unknown. 

Secret achievement (20 points): Unknown. 

Secret achievement (20 points): Unknown. 

Secret achievement (20 points): Unknown. 

Secret achievement (20 points): Unknown. 

Secret achievement (20 points): Unknown.

Successfully complete the indicated task in Superstars mode to unlock the corresponding
character:

Alex Kidd: Successfully complete Tournament Singles in the "Alex Kidd" stage. 

Amy Rose: Successfully complete Mission 2 in the "Sonic The Hedgehog" stage. 

Gilius Thunderhead: Successfully complete Mission 1 in the "Golden Axe" stage. 

Gum: Successfully complete Mission 12 in the "Jet Set Radio" stage. 

MeeMee: Successfully complete Mission 8 in the "Super Monkey Ball" stage. 

Pudding: Successfully complete Mission 1 in the "Space Channel 5" stage. 

Reala: Successfully complete Mission 2 in the "NiGHTS" stage. 

Shadow the Hedgehog: Successfully complete Mission 14 in the "Sonic The Hedgehog" stage.