Sega Superstars Tennis
Successfully complete the indicated task in Planet Superstars mode to unlock the corresponding stage:
- Alex Kidd: Successfully complete "Get A High Score!" in the "Space Harrier" stage.
- Golden Axe: Successfully complete "Speed Rings" in the "Sonic The Hedgehog" stage.
- NiGHTS: Successfully complete "Monkey Ball Keep Up" in the "Super Monkey Ball" stage.
- Outrun: Successfully complete "Hit Justice Shots" in the "Virtua Squad" stage.
- Puyo Pop Fever: Successfully complete "Doubles Match" in the "Super Monkey Ball" stage.
- Space Harrier: Successfully complete Tournament Singles in the "Space Channel 5" or "Virtua Squad" stage.
- Virtua Squad: Successfully complete "Hit The Big Zombies!" in the "Curien Mansion" stage.
- Golden Axe: Successfully complete "Speed Rings" in the "Sonic The Hedgehog" stage.
Successfully complete the indicated task in Planet Superstars mode to unlock the corresponding court:
- Golden Axe: Successfully complete all Super Monkey Ball missions.
- NIGHTS: Successfully complete all Jet Set Radio missions.
- Outrun: Successfully complete Exhibition Doubles in the "Outrun" stage.
- Puyo Pop: Unknown.
- Sonic The Hedgehog: Successfully complete Exhibition Singles in the "Sonic the Hedgehog" stage.
- NIGHTS: Successfully complete all Jet Set Radio missions.
Successfully complete the indicated task in Planet 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.
- Amy Rose: Successfully complete Mission 2 in the "Sonic The Hedgehog" stage.
Successfully complete the indicated task in Planet Superstars mode to unlock the corresponding ball game:
- Puyo Pop Fever: Successfully complete "Get A High Score!" in the "Puyo Puyo Fever" stage.
- Space Harrier: Successfully complete "Get A High Score!" in the "Space Harrier" stage.
- Virtua Squad: Successfully complete "Get A High Score!" in the "Virtua Squad" stage.
- Space Harrier: Successfully complete "Get A High Score!" in the "Space Harrier" 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.
- Starting Grid (10 points): Win with all 8 starting characters.
Additionally, there are eight secret achievements:
- Thunderhead (20 points): Unlock Gilius. His brother was killed by Death Adder.
- Rose (20 points): Unlock Amy Rose. There's no hiding from her, so pink and upbeat. Such a tough cookie and so sweet.
- Nightmare (20 points): Unlock Reala. Only in your wildest dreams.
- 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.
- Piece of Cake (20 points): Unlock Pudding. Get your coverage from Channel 42.
- Jan-Ken-Pon! (20 points): Unlock Alex Kidd. For seven years he lived on Mount Eternal studying the ancient art of Shellcore.
- Eei-Eei-Poo! (20 points): Unlock MeeMee. A stylish monkey who is adored by all other monkeys.
- Rose (20 points): Unlock Amy Rose. There's no hiding from her, so pink and upbeat. Such a tough cookie and so sweet.
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