Sonic Adventure 2 is a platform game developed by Sonic Team USA and published by Sega in 2001 as a part of the Sonic the Hedgehog series. Sonic Adventure 2 is the sequel of Sonic Adventure, the next game is Sonic Heroes, because in her elements
It was released in North America on June 19th, 2001 and in Japan and Europe on June 23, 2001 to mark the 10th anniversary of the release of the original Sonic the Hedgehog. This game introduces two new playable characters, Shadow the Hedgehog and Rouge the Bat, and is also one of the few Sonic games to officially feature Doctor Robotnik as a playable character. On December 10, 2001, a port of the game called Sonic Adventure 2 Battle was released onto the Nintendo GameCube in Japan, followed by North America on February 12, 2002 and Europe on May 3, 2002.
Sonic Adventure 2 follows the same basic principles of previous games in the series. Along the stages are Rings, that as long as one is retained by the player, he will not lose a life when injured (except during the Tails and Doctor Robotnik stages, in which the player has a health bar which is reloaded by gathering rings); and also items capsules which, when broken by the character, reward the player with one of a variety of bonuses. These include two different shields — one which simply protects the character from a single hit, and a magnetic one that attracts ring —, a ring bonus, an extra life, temporary invincibility (accompanied with a temporary change in music), a temporary speed boost and destroying nearby enemies. Each character has power-ups which grant them new abilities, such as destroying metal power-up boxes.
The single player mode takes place between two parallel storylines, the "Hero" story and the "Dark" story; the player has the option of advancing in either one or the other at any time. The "Hero" story features Sonic, Knuckles, Tails and the non-playable Amy, while the "Dark" story features Shadow, Rouge, and Dr. Robotnik. Each hero character plays similarly to their respective dark character, and vice versa. Levels advance in order for each storyline, alternating between each of the playable characters.
Levels featuring Sonic or Shadow are regular platformers, designed in much the same way as they were in Sonic's levels in Sonic Adventure, where in the player's primary objective is simply to get to the end of the level. Levels with Tails or Dr. Robotnik are based on shooting, allow the player to control a mechanized robot walker and generally blast their way to the end, much like E-102 Gamma's stages in Sonic Adventure. The Knuckles and Rouge levels are based on hunting, with the characters scouring their levels for three items, usually shards of the Master Emerald, much like Knuckles' levels in Sonic Adventure. Interspersed between the levels are various bosses, which one particular character must fight. The main story line can only be finished when both "Hero" and "Dark" story modes are finished, and an extra "Final" story mode is revealed where the player must use all the characters to achieve the true ending.
Within Action Stages, players collect rings and defeat enemies, with a timer counting the time spent within the level. At the end of each stage, the player is given a score based on the number or rings collected and time spent within the level. The more rings and less time, the higher the score is. The player is also given a rank-based performance, a letter grade that is either A, B, C, D, or E, with A being the highest and E being the lowest. Irrelevant to any other factors, an A Rank is automatically awarded to players that complete any score-ranked mission with all of the rings from that level in the player's possession.
There are five missions within each Action Stage; in order to obtain the second mission, the player must complete the first one, to unlock the third, the second mission must be finished, and so on. In order from first through fifth, the missions are to complete the level, collect 100 rings, find a "lost Chao" using the Mystic Melody upgrade, finish within a time limit, and complete a "Hard mode" version of the Action Stage.
Emblems are also given within the game; there are 180 Emblems in total. In order to gain all 180 Emblems, players must defeat every mission within every stage, achieve an A rank in all stages and missions, etc. After collecting all 180 Emblems the player unlocks an extra level 3-D Green Hill level. 3-D Green Hill is a remake of Green Hill Zone from the original Sonic the Hedgehog game.
A two-player mode is introduced in Sonic Adventure 2, where the complementary characters are able to play against one another in racing levels, shooting levels, and treasure-hunting levels. A multitude of levels from the main one-player game are available in this mode, though slightly altered for competitive play. The goals for each stage is to defeat the other player by completing the goal first: racing levels require the player to reach the Goal Ring, shooting levels end when one Walker runs out of energy, either by being destroyed by the competitor or falling off the stage; and the treasure hunting levels are won when one character gets two of the three Emerald shards. Special moves are acquired by collecting a number of Rings which are a multiple of 20, and include speed boosts, freezing the opposing player, and ranged attacks (which are also seen in the final bosses of the Hero and Dark story).
Special features in two-player mode are unlockable by meeting certain conditions in the single player mode. These include additional characters and alternate costumes. The additional characters include familiar characters from previous games, but they must be unlocked in the original Dreamcast version: Amy and Metal Sonic complement Sonic and Shadow, Chao and Dark Chao complement Tails and Robotnik, and Tikal and Chaos 0 complement Knuckles and Rouge. Alternate costumes are usable only in two player mode, and vary in each version of the game, as do the conditions required to unlock the costumes.
Chao and Chao WorldEdit
Chao are protected by Chaos, and are raised and taken care of much like real babies are taken care of. When they hatch, they crawl and can't swim. They get their nutrition from knocking the fruit off of trees.Each Chao has its own favorite fruit.
Chao World is the world full of the Chao, with gardens and a chao kindergarden. The kindergarden has a principal, a doctor (Which can tell you if your chao is well and so you can check its stats like Speed, fly, etc.), a fortune teller (Names your chao), a classroom for your Chao to learn new skills, and a Black Market(Game Cube Only), where you can buy food, Chao eggs of different colors, head wear, Chao's favorite fruit, seeds for growing Chao's favorite fruit, special items, and chao drives,which you find in action stages by defeating the robots that attack you,give those drives to your chao and it will learn a new skill depending on the color of the drive . The Black Market is also in Sonic Adventure DX: Director's Cut. The more Emblems you get, the rarer the items you can buy.
Chao Garden is the home for Chao. Here they can enter chao races and the brand new event, chao karate. The entrance to these Chao events is in the cave behind the water fall. There are also two unlockable Chao worlds which resemble Heaven and Hell. When a Chao begins to grow up, eventually it will go into a cocoon stage where by it will transform depending on how it was treated during it's Childhood. If a chao was abused by Sonic or Petted by Shadow, it will become a dark Chao (with a spiky head-ball), Unlocking the dark garden, and vise versa to open hero garden (light chao have a halo for their head-ball). If the chao evolves without having a preference over either the light or dark side, it will remain neutral (with a normal head-ball). Chao drives given to chao during Childhood also affect the physical shape and appearance of chao, becoming significantly more pronounced upon evolution. There are 4 different attributes, Flying, Power, Swimming and Speed which affect the chao's final appearance. Waiting for the chao to tranform without having a single strongest attribute will make the adult chao neutral and appear similar to its child form, with only minor differences. The chao will also be better in different types of races depending on their strongest attribute. There is also a Stamina attribute which the chao gains by eating the fruit in the chao gardens. There is also other ways to upgrade your chaos attributes instead of power drives, you can find animals in the sonic world which, depending on the animal, upgrades your chao in a certain way. However, giving a chao an animal rather than a drive can give the chao the looks of that animal, such as ears, wings, horns, antennae, a tail, and even special powers like breathing fire.
After discovering the existence of a secret weapon mentioned in the diary of his grandfather, Gerald Robotnik, Dr. Eggman infiltrates a high-security G.U.N. facility in search of it. This weapon turns out to be a black hedgehog named Shadow, the self-proclaimed world's ultimate life form. Shadow offers to help Eggman take over the world, and tells him to rendezvous with him at the abandoned Space Colony ARK. Shadow invades Central City and steals a Chaos Emerald from the Central Bank. G.U.N. forces mistake Shadow for Sonic, and the blue hedgehog is apprehended, only momentarily evading capture to confront the black hedgehog, who perplexes him with his profound Chaos Emerald-empowered ability to use Chaos Control, which allows him to warp time and space.
Meanwhile, Knuckles confronts a treasure hunter and part-time government agent named Rouge the Bat over possession of the Master Emerald when Eggman arrives to steal it. Knuckles shatters the Master Emerald to prevent him from getting away with it, and proceeds to search for the scattered shards and restore the the Emerald. While Rouge intends to do the same to satisfy her own jewel fetish, she must also accomplish a mission to spy on Eggman for the government. This mission leads her to the ARK, where Shadow relays to Eggman his plan to use the Chaos Emeralds to charge a superweapon on the ARK called the Eclipse Cannon to take over the world; secretly, however, Shadow intends to take revenge against humanity, holding them responsible for the death of Gerald Robotnik's granddaughter and his only friend, Maria, onboard the ARK fifty years ago. To accomplish this, Shadow and Eggman recruit Rouge to assist in their search of Chaos Emeralds.
With each in possession of their own Emerald, Shadow, Eggman and Rouge require only four more, locating three on a G.U.N. prison facility called Prison Island, where Sonic is being held. Eggman raids the base, but is intercepted by Tails and Amy, who release Sonic. Rouge retrieves the three Emeralds, but is cornered by security forces. Shadow, having set explosives on the island, goes back to rescue Rouge, encountering and battling Sonic in the jungle. Both hedgehogs make their escape with their comrades before the island explodes, the three Emeralds now in Eggman's possession.
Eggman broadcasts his plan to conquer the world with the Eclipse Cannon across the planet, demonstrating its current level of power by destroying half of the moon. Sonic, Tails and Amy realize he is powering the weapon with Chaos Emeralds, and that its power would be devastating if he retrieves all seven. Tails reveals he is in possession of the final Emerald, and the group decides to use it to track down the other six. Knuckles, who has been tracking pieces of the Master Emerald all this time, joins the group. The heroes intercept the President during a conversation with Eggman, discovering his location. The group then infiltrates Eggman's base, narrowly boarding Eggman's shuttle as it launches into space.
Before the shuttle reaches the ARK, the Master Emerald pieces Knuckles has collected and stored fall overboard, prompting Knuckles to leave the group to search for them. Rouge, meanwhile, plans to double-cross Eggman and steal the Chaos Emeralds for herself, only to discover that the Master Emerald pieces are nearby as well. During their search, Knuckles and Rouge cross paths once again and fight; during the fight, Knuckles rescues Rouge from certain death. This causes Rouge to give Knuckles her pieces, allowing Knuckles to restore the Master Emerald.
Onboard the ARK, Tails reveals that he has created a counterfeit Chaos Emerald with the same wavelengths and properties of a real Emerald; however, it is designed to reverse the effects of the real Emeralds and destroy the Eclipse Cannon. Sonic goes to place the fake Emerald into the cannon when Eggman announces he has captured Tails and Amy. Sonic tries to give Eggman the fake Emerald, but at the last second Eggman traps and jettisons Sonic in an escape pod rigged with explosives. Using the fake Emerald, Sonic manages to perform Chaos Control and escape before it explodes, but Tails, thinking Sonic is dead, fights Eggman again.
Shadow discovers Rouge's treachery and confronts her, but Rouge counters him with evidence that he may not be the ultimate life form. Just then, Shadow goes off to intercept Sonic. After a fight between the two hedgehogs, Sonic manages to destroy the Eclipse Cannon, with Tails and Amy relieved to see Sonic is alive and well. Eggman, however, manages to take Tails' real Emerald and restart the cannon. However, the cannon does not fire.
An announcement made by the late Gerald Robotnik explains that the ARK will collide with and destroy Earth with the power of the Chaos Emeralds. All the others survey Robotnik's diary, which explains how Gerald went insane after his granddaughter Maria's death, and that Shadow was created to carry out his revenge. The two sides agree to take the Master Emerald to the core of the Eclipse Cannon to neutralize the Chaos Emeralds and stop the collision, and work together to reach the core. Shadow refuses to help until Amy tells him to give humanity a chance. Realizing this is what he had promised Maria, Shadow goes off to assist the group.
Sonic and Knuckles reach the core and encounter the Biolizard, a prototype of Gerald Robotnik's experiment to create the ultimate life form, and thus the "Shadow" that Rouge mentioned earlier. Shadow arrives and defeats the Biolizard, allowing Sonic and Knuckles to place the Master Emerald in the core, designed to appear like the shrine of the Chaos Emeralds, and negate the Chaos Emeralds' power. However, the Biolizard revives and uses Chaos Control to fuse with the Eclipse Cannon and form the Finalhazard, which continues the ARK's collision course.
Using the power of the Chaos Emeralds, Sonic and Shadow turn into Super Sonic and Super Shadow, and fight the Finalhazard. The hedgehogs use the power of Chaos Emeralds to use Chaos Control to stop the collision course and place the ARK back into Earth's orbit. However, Shadow's powers seem to have drained completely, and he plummets to earth to his apparent death along with the Finalhazard. Everyone thinks fondly of his noble sacrifice before returning home.
- Sonic the Hedgehog: Jun'ichi Kanemaru/Ryan Drummond
- Shadow the Hedgehog: Kouji Yusa/David Humphrey
- Miles "Tails" Prower: Atsuki Murata/Corey Bringas
- Knuckles the Echidna: Nobutoshi Kanna/Scott Dreier
- Amy Rose: Taeko Kawata/Jennifer Douillard
- Dr. Robotnik: Chikao Otsuka/Deem Bristow
- Rouge the Bat: Rumi Ochiai/Lani Minella
- Gerald Robotnik: Chikao Otsuka/Marc Biagi
- Maria Robotnik: Yuri Shiratori/Shelly Fox
- The President: Steve Broadie
- Tikal the Echidna: Kaori Aso/Elara Distler
Jun Senoue returned as head composer for this game. Like the previous game, each character gets an instrumental motif that serves as their theme song. The game features performances by returning vocalists Tony Harnell, Ted Poley, Marlon Saunders, Nikki Gregoroff and Johnny Gioeli, as well as new vocalists Tabitha Fair, Todd Cooper, Paul Shortino, Everett Bradley, Kaz Silver and Hunnid-P.
Opinions of Sonic Adventure 2 are variable among both professional reviewers and fans of the Sonic series. At its initial release on the Dreamcast, Sonic Adventure 2 was the recipient of very positive reviews, averaging an 89% according to critic compiler Metacritic.  The game received praise for its fast-paced Sonic/Shadow levels, high-quality graphics, enhanced Chao Garden and improved gameplay mechanics from the original. The game's music has gone on to become some of the most well-known in the franchise with the main theme Live and Learn being cited as the best song in the game. Like its predecessor however, the game received criticism concerning the game's camera system. Although sites like Gamespot admitted that the camera flaws in the original Sonic Adventure were "infinitely more frustrating by comparison" the sequel was still noted to "retain some of the quirky camera work". Along with the camera flaws, the game received criticism for the Knuckles/Rouge levels, which were described by some reviewers as "confusing" and "frustrating" as well as the game having a lack of challenging boss fights. Despite these issues, the game was still a critical and commercial success with many reviewers agreeing that the game was one of the last great Dreamcast releases. IGN concluded that "If this is the last Sonic game in these declining Dreamcast years, it's satisfying to know that the DC didn't go out with a bang, but with a sonic boom."
The GameCube re-release, Sonic Adventure 2 Battle, fared considerably worse in terms of reviews, despite having no single player gameplay changes from the Dreamcast version and only an 8-month gap between their releases. Despite this, the game has sold 1.44 million units in the United States alone, making it one of the GameCube's highest selling games. The game also sold well enough to be re-released as a Player's Choice title.
Sonic Adventure 2 has won several awards:
GamePro: Editors' Choice Award
IGN: Editors' Choice Award
GameSpy's Best of 2001: Best Dreamcast Action/Adventure game
Sonic Adventure 2: BattleEdit
The Nintendo GameCube adaption of Sonic Adventure 2 was released on December 10, 2001 in Japan, February 12, 2002 in North America, and on the GameCube's launch (May 3, 2002) in Europe. This game is also the first Sonic the Hedgehog game on a Nintendo system, having been released ten days before Sonic Advance in Japan.
Features and differencesEdit
This game changed a large portion of raising Chao, the artificial life form available in both Sonic Adventure and Sonic Adventure 2. A Chao's stats can be viewed from within the game. The player can transfer one Chao from Sonic Adventure 2 Battle to the "Tiny Chao Garden" section in Sonic Advance, Sonic Advance 2, and Sonic Pinball Party with the GCN-GBA Link Cable. (If a Game Boy Advance is connected without a GBA game inserted, a version of the Tiny Chao Garden can be copied temporarily into the Game Boy Advance's memory.) Chao Karate was also introduced in this version, in which the Chao stats are used for fighting. The Chao fight in a fighting game style, but with minimal influence from the player and very little in the way of actual Karate. The layouts of all three Chao Gardens were also changed slightly.
As with the Dreamcast version, after collecting all 180 Emblems, the player can unlock a 3-D version of the Green Hill Zone from Sonic 1, with a remixed version of the music from the original stage. Only Sonic is playable on this stage and while the player is given a ranking, it is not recorded on the map screen.
New "Battle" multiplayer options were added, including the addition of new characteristics to the multiplayer-exclusive characters (whom, in the original, had to be unlocked, but now additional features for the kart mode are unlocked for their previous requirements).
In the GameCube version, the boxes in the Crazy Gadget level have a red 'x' on them instead of the Dreamcast's version's green 'x'. This was most likely done because the green X's are reminiscent of the Gamecube's rival platform, the Xbox. Also, when playing as Knuckles or Rouge an exclamation (!) will appear above his or her head when directly nearby their targets.
Minor special effects were added to the game, such as rain in White Jungle. Moreover, some cutscenes were redone slightly, with different or improved character animations and camera angles. Some achievements also had their requirements changed, such as fewer points to reach a level.
Quite noticeably, the cutscenes appear to play faster than on its original Dreamcast counterpartTemplate:Fact, such as when the heroes crash on their first arrival on the ARK.
Big the Cat's cameos did not remain in the stages, but he can still be viewed in some story sequences by rapidly pressing the A and B buttons throughout the scenes. He no longer appears in the Hero Side story, or in the multiplayer mode, where he was replaced by a Dark Chao.
The Sonic Adventure 2 Multi-Dimensional Original Soundtrack was produced by Jun Senoue and released by Marvelous Entertainment on August 22, 2001. The songs feature the band Crush 40, which consists of Senoue and vocalist Johnny Gioeli. 
Sonic Adventure 2 Vocals Collection: Cuts Unleashed was produced by Jun Senoue and released on August 21, 2001 by MMV. It contains musical tracks from the game composed by Jun Senoue and Kenichi Tokoi.
- ↑ Sonic Adventure 2 review on IGN
- ↑ "Sonic Adventure 2 Metacritic for Dreamcast". http://www.metacritic.com/games/platforms/drm/sonicadventure2.
- ↑ "Sonic Adventure 2 Battle on Metacritic for GameCube". http://www.metacritic.com/games/platforms/cube/sonicadventure2battle.
- ↑ "US Platinum Videogame Chart". The Magic Box. 2007-12-27. http://www.the-magicbox.com/Chart-USPlatinum.shtml. Retrieved 2008-12-05.
- ↑ "Player's Choice". http://www.amazon.co.uk/dp/customer-reviews/B0000ES8FW.
- ↑ Sonic Adventure 2 Battle Instruction Booklet. pp. 50-55.
- ↑ Sonic Adventure 2 Battle Instruction Booklet. pp. 46.
- ↑ Sonic Adventure 2 Battle Instruction Booklet. pp. 18-23.
- ↑ "Crush 40 History". http://www.junsenoue.com/content/view/1/14. Retrieved 2008-01-07.