Robo-Woods is fought in Rainbow Hill Zone, the first world in the game.
Robo-Woods simply consists of a wooden ball with a single eye and two mechanical arms surrounded by vines.
3DS/Wii U Versions
In these versions, the fight takes place on a wooden wheel with Robo-Woods in the centre. The boss will constantly attack the player with his arms. Various wooden platforms can be used to reach his head, and Homing Attacking the head will cause damage to the boss. White Wisps and either Cyan Wisps or Red Wisps (which can also be used to damage the boss) can be found on the platforms.
The boss appears in the centre of a small obstacle course consisting of both grassy and wooden platforms, as well as bridges. The boss, positioned in the middle of a wooden wheel, attacks with his arms, which must be Homing Attacked to deplete his health. Attacking him allows the player to find White Wisps and sometimes either Cyan Wisps or Red Wisps, which can also be used to attack him. Once he takes enough hits, the boss can bounce around freely, but continues to attack the player with his arms, as well as with wooden Shurikens.
Fought in the Haunted Home Zone.
This robotic ghost-like creature consists of a white, circular body with a single eye and a white cloak with purple lining. Tiny versions of him (referred to as RC Ghosts in Prima's Strategy Guide) appear in his boss fight.
3DS/Wii U Versions
The player starts the fight on a Ghost Ship and must make their way past the cannons and robots to a lever. Attacking this lever causes the ship to crash, and once it crashes, the Robo-Ghost appears alongside several RC Ghosts. Touching an RC Ghost causes it to turn into a White Wisp. The boss himself uses swoop attacks, and is vulnerable to your Homing Attack for a few seconds after every attack. After attacking the boss enough times, the Ghost Ship rises into the air and you must make your way across it and must attack the lever again to get another chance to damage the boss.
The player is on top of a haunted mansion, with the Robo-Ghost and two larger RC Ghosts above you. The boss attacks by smacking the RC Ghosts downwards in an attempt to hit the player with them and performing a ground-pound attack. He can be Homing Attacked by the player after a failed ground-pound. After being reduced to half health, he can create sets of RC Ghosts and have them all attack at once!
The player fights this enemy in the Seaside Cave Zone.
The Robo-Crab quite simply resembles a giant Crabmeat, albeit with two cannons (of sorts) in each pincer. In the 3DS and Wii U Versions, one of his pincers is replaced by a satellite, and he has a large cannon on his head.
3DS/Wii U Versions
The player is constantly running after the boss, who stays out of reach of Homing Attacks and launches missiles at the player. He gets closer every time he attacks, to the point that he can be Homing Attacked. Attacking him causes him to drop Rings, spiked balls and capsules containing both White and either Cyan Wisps or Orange Wisps, the latter of which can be used to damage the boss. Sometimes, the stage will enter 2D movement, and the boss shoots lasers from his satellites.
After taking enough hits, the boss goes insane, noted by his eyes turning red, and he can now shoot spiked balls from the cannon on his head - believe it or not, you can actually Homing Attack these obstacles. The boss will continue using this attack, but can still shoot missiles. However, his missiles are now faster and often appear without warning. When he shoots lasers from his satellite he will often make four shots in quick succession.
The boss appears behind a stone platform floating over a pool of water. The player stands on this platform, and the boss holds his pincers above the platform, and will pick spiked balls, small pieces of rubbish and even capsules containing either Cyan Wisps or Orange Wisps out of the water, then drop them onto the player. Jumping into rubbish knocks it back at the boss, damaging him. Cyan Laser and Orange Rocket also work if you want to damage him.
Upon being reduced to half health, the Robo-Crab takes a few steps back and shoots streams of water at the player. After a while, he walks back towards the player and will continue to drop items onto the platform, but can also shoot jets of water until the player can defeat him.
Boss of Flaming Fields Zone.
The Robo-Bird is a fairly large, red robotic bird with a gold beak and two purple rocket thrusters (which double up as laser beam launchers) on his wings.
3DS/Wii U Versions
At first, the player is riding a trio of rails in pursuit of the boss, who will attack with the laser launchers on one or both rocket thrusters. After avoiding enough attacks, the player will jump off the Robo-Bird in a sequence of QuickTime events and must journey along a path on the volcano, until they can bounce off a Spring and are sucked into the bird's mouth, where, after enough QuickTime events, they jump onto the bird's back where they can fight the Robo-Bird's power source.
The power source resembles a globe, but has eyes and two mechanical arms which can be used to attack the player. Once it attacks, it becomes vulnerable to your attacks. You can land a maximum of four Homing Attacks in a row on this boss. Every attack on the globe will give you up to three White Wisps, and sometimes either a Red Wisp or a Crimson Wisp which can be used to damage the boss. After seven hits, the boss becomes more ferocious, able to launch two attacks in quick succession.
After the twelfth hit, the globe-like enemy is defeated and the Robo-Bird explodes.
The Robo-Bird, who is noticeably smaller in these versions, is perched on top of a large globe with eyes. This boss attacks with small fireballs that will float around the arena. He can also shoot energy rings, which the player can fly through with a Homing Attack, from his rocket thrusters. By flying through the energy rings, you must reach and then attack the Robo-Bird with a Homing Attack. Either Red Burst or Crimson Eagle, which are obtained by Homing Attacking the globe (careful, as the globe has a Melee attack which he uses after you land two hits on the Robo-Bird), can also be used to reach the boss. Three Homing Attacks will defeat this enemy.
Rotatinator is the fifth boss of the game, faced in the Ancient Labyrinth Zone.
Rotatinator is similar in appearance to Robo-Woods, but is entirely mechanical with pink and yellow decorations around his head. He also has two eyes instead of one.
3DS/Wii U Versions
Rotatinator fights the player in a golden ring with several circular platforms. Some of these platforms have White Wisps and either Pink Wisps or Orange Wisps on them. Orange Wisps can be used to attack the boss, who attacks with his arms. His arm movement is more wild when compared to Robo-Woods.
The fight is split into three phases. In the first phase, the boss can use arm attacks and shoot lasers in sets of four. Once reduced to two thirds of his health, the second phase begins. In the second phase, he starts by shooting an electrical orb which moves along the ring and remains for the rest of the battle. He can also shoot lasers in sets of eight. Finally, in the third and final phase, Rotatinator shoots a second electrical orb and his arm movements are even more wild than before. However, he can only shoot three lasers at a time instead of eight, although these lasers move in a circle pattern in an attempt to land a hit.
The arena consists of a ring of gold platforms, and the boss himself grapples a gold wheel in the centre of the arena. He attacks primarily with his arms, which the player can Homing Attack to find up to three White Wisps or either a Pink Wisp or an Orange Wisp. Two laser beam launchers appear above the arena and can shoot green lasers - hit one of these with Orange Rocket to deactivate it.
Upon taking enough damage, the boss jumps onto the gold platforms and can use two-hit combos with his arms, as well as launch electrical sparks that appear on the ground. He can also jump into the centre and unleash an armada of missiles, then jump onto the platforms to continue attacking head-on.
Once his health is completely depleted, Rotatinator will be defeated.
Mechashark is the Ocean Road Zone Boss.
Mechashark is a fair-sized, blue robotic shark. He is always accompanied by small, red robotic "fish" with a black spike on their head similar to a shark's dorsal fin.
3DS/Wii U Versions
The player finds themself in a submarine, which they can explore using either Yellow Drill or Cyan Laser. Due to the underwater setting, however, the player will instantly die if they spend 20 seconds or more without touching an Air Bubble. Pulling the lever at the far end of the submarine will cause it to drown, and the player will confront Mechashark and several small red fish in front of the sub.
Mechashark sticks to rushing attacks in this battle. Using White Boost is required for the player to damage the boss in this fight, as you cannot use your Homing Attack underwater. If you bought a Wisp to this battle from the submarine area, you can use either Yellow Drill or Cyan Laser to damage the boss.
After fighting for a set period of time, the boss will escape to his submarine, meaning you have to journey through it a second time and pull the lever to get another chance to attack him. Once the boss' health is depleted, Mechashark is defeated.
Mechashark and two smaller, red sharks fight the player, who stands on a long metallic platform, with rather simple methods. At the start of the fight, Mechashark will have the smaller sharks attack the player head-on, with a dive attack that tilts the battlefield. Ground-pounding on the raised end of the arena will send the small shark flying up into the air and hitting Mechashark, damaging him. Mechashark can also use a dive attack, although it leaves him vulnerable to White Boost attacks. Every attack on Mechashark will cause him to drop up to three White Wisps or either a Yellow Wisp or a Cyan Wisp, both of which can be used to damage him.
Once he reaches half health, Mechashark has the smaller red sharks move beneath the arena and turn their dorsal fins into energy blades to attack the player as the sharks swim left and right. The fight will continue as normal until the boss is defeated.
Also, keep in mind that due to the underwater setting, the player will instantly die after 20 seconds unless they collect an Air Bubble.
This all-powerful Gunship is fought in the Frosted Castle Zone.
Fridgate is a frigate with what looks like two fridge doors as casing for six blue cores. It is equipped with two machine guns, which are attached to what looks like a snowflake positioned on the front of the "fridge doors".
3DS/Wii U Versions
The player chases the Fridgate across an icy path whilst the boss attacks by shooting icicles from his machine guns, getting closer every time until the point you can Homing Attack the snowflake, one of two stabilisers to the sides of the snowflake, two lights, with one light positioned between the snowflake and a stabiliser, or either machine gun. Sometimes, this boss will set the gameplay to 2D movement, then fly into the background and attack the player with either a barrage of icy shots or a number of snowballs. After doing this, movement returns to as it was before and the fight continues as normal. At times, 2D movement will activate, but the boss will stay still whilst shooting snowflakes from his machine guns.
After taking enough hits, the fridge door-like casing around the blue cores will shatter, causing the boss' movements to become faster and more unpredictable, and allowing it to take more shots in the 2D Movement sections. Attacking the boss causes him to drop cargo boxes containing rings, spiked balls, White Wisp Capsules and either Ivory Wisp Capsules or Pink Wisp Capsules. Keep on wailing away at him until his health is completely depleted to win the fight!
The player stands on an icy platform with the boss floating behind it. Fridgate attacks by dropping cargo, including Spiked Balls, small pieces of rubbish (that can be knocked back at the boss by jumping into them) and capsules containing either Ivory Wisps or Pink Wisps. He can attack with a mechanical arm as well. Once reduced to half health, the boss goes right to the side of the platform and bombards the player with missiles made out of ice. The boss is also able to launch a volley of snowballs, and attacking the snowflake-like structure will damage the boss, and every attack gives you up to three White Wisps or either an Ivory Wisp or a Pink Wisp. The boss is defeated once you cut his health to zero.
The boss faced in the Mysterious Temple Zone.
Amechnid is a purple mechanical spider, and is roughly the same size as Robo-Bird. He has two eyes that flash green and red at random intervals.
3DS/Wii U Versions
The player rides on rails around a temple and must avoid the boss' silk shots until they reach some rainbow-coloured rings, which they can move through to jump off of Amechnid via QuickTime events. Then, you must explore the outside of the temple until you reach a spring that allows you to jump into the boss' mouth and escape with some more QuickTime events, leading to jumping on his back and starting a fight against his power source, which consists of a black robot with two black, orange and green arms with drills on the ends.
To defeat the power source, Homing Attack the power source after he tries to attack you with his drills, either by stabbing with them or by performing a spin attack. You can earn up to three White Wisps or either an Indigo Wisp or a Cyan Wisp when attacking him. These can be used to damage him - Indigo Asteroid causes damage over time when you're close to the boss. Once he reaches half health, he can shoot his drills at the player to attack. Once this power source is defeated, Amechnid blows up and is defeated.
In these versions, the considerably smaller Amechnid is perched on top of a large black robot. This mech will attack with the drills on the ends of his arms when the player gets too close if he's low on health. Amechnid himself shoots energy rings from his eyes - the blue rings give you a speed boost should you jump through, but the red ones are "red herrings" and will cause the player to drop their rings if they try to jump through. Small spider mechs that cannot hurt the player also appear - the purple ones can be defeated in one hit, but red ones float upwards after being attacked and are immune to the sucking effects of Indigo Asteroid.
To damage the boss, simply Homing Attack his mech. Each hit will give you up to three White Wisps or either an Indigo Wisp or a Cyan Wisp. In order to deal massive damage to the boss, you must use Cyan Laser or Indigo Asteroid on Amechnid himself. To get in range to attack with Indigo Asteroid, suck in some purple spider mechs, then jump on a red one, stand on top as he floats upwards and take a leap of faith towards Amechnid.
Dealing enough damage will defeat Amechnid and his mech.
The Nega-Wisp Factory is faced as a boss in the Space Base Zone.
The Nega-Wisp Factory is shaped somewhat like a Nega-Wisp, being purple with red spikes and white eyes, complete with two arms that have what look like Venus Flytraps on the ends. In the 3DS and Wii U Versions, the Nega-Wisp Factory also has a scorpion-like tail.
3DS/Wii U Versions
The player is chased by the boss down a white, vertical path at the start of this battle and must avoid touching him. Once they make their way to the end of the path, the boss will attack them with the following pattern of attacks.
- Shoots reflective lasers. Tires out after the fourth out of eight lasers.
- Swings his tail. Tires out after the second out of four swings.
- Moves beneath the arena and shoots missiles upwards. Moves in range of your attacks and tires out after the sixth out of twelve missiles.
- Shoots spiked balls that roll along the arena. Tires out after the third out of six spike balls.
- Lobs fireballs with a curved flight path from his tail. Tires out after the eighth out of sixteen fireballs.
- Creates a black hole, then moves away from the Black Hole and shoots projectiles into it. He then tires out before creating a second black hole.
Once he tires out, you can Homing Attack the boss to obtain a maximum of three White Wisps or a Cyan, Yellow, Orange, Pink, Red or Purple/Violet Wisp, based on which attack he just used.
Once the player obtains all six Wisps, the Nega-Wisp Factory says, in a voice that greatly resembles Eggman's, "you... you... YOU HORRID LITTLE HEDGEHOG!!" (interestingly, this message doesn't change if you're playing as Tails or Blaze). The boss will then shoot a giant rainbow-coloured laser, and the player must press R to combine with the Wisps and utilise the All-Colour Buster. In order to successfully hit the Nega-Wisp Factory with this all-powerful attack, the player must rapidly press the L Button. Upon successful use of the All-Colour Buster, the Nega-Wisp Factory is destroyed and the captured Wisps are freed.
The player must chase the Nega-Wisp Factory along a path that he creates behind him. Most of the path is white in colour, but at some intervals, the path's format will change, and enemies and obstacles will appear. The Nega-Wisp Factory will attack sometimes, the exact attacks being based on the format of the path...
- Glass Platforms: Shoots a purple laser beam. He may use this attack several times in a row later on in the fight.
- Coral Reef: Shoots purple drills into the air. The drills will then come down in an attempt to hit the player.
- Sweets: Shoots an armada of missiles into the air to strike targeted areas of the stage.
- Purple Path: Creates blue cubes which appear as obstacles on the path.
- Theme Park: Creates energy rings - may launch large, singular rings or small rings in sets of five. You can jump through these rings.
- Grassy Area: Shoots spiked balls that roll along the ground.
- Golden Path: Launches a wave of fireballs with a curved flight path.
- Asteroids: A stream of purple energy appears at a random point of the screen to attack the player. Look out for red lines to see where the attack will appear next.
If you get close enough to the Nega-Wisp Factory, you can Homing Attack him a maximum of five times to obtain either up to three White Wisps or a Cyan, Yellow, Orange, Blue, Green, Pink, Red or Purple/Violet Wisp (based on the last attack he used) per hit.
After you obtain every available type of Wisp, the boss says, "you... you... YOU HORRID LITTLE HEDGEHOG!!" (unlike in the 3DS and Wii U Versions, this message does change if you're playing as Tails or Blaze) and the player gains access to the All-Colour Buster, which, once they get close enough, can be used to land the finishing blow on the Nega-Wisp Factory.
Dr. Eggman's Chaotic Generator
The final boss, who fights the player in the Chaos Terminal Zone.
The Chaotic Generator is black in colour, with glowing green energy coming out of what looks like two eyes, and a few gold stripes.
3DS/Wii U Versions
The player is permanently in Super State and chases Eggman whilst flying over the open ocean. Use the Circle Pad to move around. You'll start with 50 Rings, and will lose one twice every second. The Chaotic Generator's attacks don't cause you to lose all of your rings, but will instead cause you to only lose a few. Flying through energy rings will boost your speed!
The boss attacks by shooting crystal shards in large sets, by shooting a laser beam and by launching missiles at the player. After avoiding this attacks for a long enough period of time, Sonic/Tails/Amy/Blaze will be shown directly in front of the boss, rather than some distance away from him, and will advance towards the boss until he's in range for a five-hit Homing Attack Combo or a blow from White Boost.
To deal damage, collect White Wisps, either in canisters or by attacking the boss, and use White Boost on a meteor to shoot it at the Chaotic Generator. Using White Boost instead of a Homing Attack combo when you come close enough to the boss will give you a random Wisp - Cyan, Yellow, Orange or Red. See below for the functions these Wisps possess in the battle. In addition to what is listed here, all Wisps prevent you from losing rings. Each Colour Power in this battle lasts for six seconds.
- Cyan Wisp: The player is equipped with a Ring Magnet, automatically drawing rings towards them, until the move ends.
- Yellow Wisp: The player can destroy crystal shards and launch meteors, at Eggman by moving into them.
- Orange Wisp: The player is automatically manoeuvred away from the boss' projectiles.
- Red Wisp: The player can use a Homing Attack-like move on crystals, meteors, missiles and Wisp Canisters.
Upon depleting the boss' health, the Chaotic Generator is destroyed and Eggman evacuates in another one of his mechs.
The player controls all four characters, all in permanent Super State, for this fight. The battle starts with Super Sonic running along a path around the boss whilst a robotic enemy, similar in design to Rotatinator but with different colours, appears behind the player, grappling a Ferris Wheel. This boss attacks with his arms, which can be Homing Attacked a maximum of four times to find either White Wisps (up to three per hit) or either a Cyan Wisp or a Pink Wisp. Cyan/Pink Wisps can be used to damage the boss further. As well as launching Melee attacks, the Ferris wheel-based foe can shoot an armada of missiles as well as laser beams to attack.
Once this boss is defeated, Super Tails comes across a giant robotic bee, who carries a spear which he can swing if Tails gets too close. However, he can also launch lasers from his eyes. When Tails gets close enough, he can launch a Homing Attack Combo, causing the boss to drop packages containing White Wisps, either Red Wisps or Crimson Wisps, both of which can be used to damage the boss, Rings and Spiked Balls.
Once the bee robot is defeated, Super Amy runs into a large gunship somewhat similar to Fridgate in design. This boss will launch lasers from the background, and can also drop cargo, including spiked balls, small pieces of rubbish and canisters containing either Orange Wisps or Cyan Wisps, which can be used to damage the boss. Homing Attacks also work when he comes down low and launches rapid fire lasers. When this foe is above you, he can sometimes use a mechanical arm to attack!
Nearer to the end of the stage, Super Blaze must fight a robotic seahorse who can shoot out smaller sea horses to attack, create whirlpools that send projectiles flying in from the distance, and even create a miniature water geyser that Blaze has to jump over. When you get close enough, use a Homing Attack Combo to deal damage. This enemy will drop Rings, White Wisps and sometimes either Ivory Wisps or Violet Wisps, which can be used to damage the boss.Defeating all four enemies leads to Super Sonic confronting the Chaotic Generator. This boss is able to launch laser beams, shoot spiked balls, create obstacle courses out of cubes (the cubes are blue in the 4D Viewer Version and green in the NX Version), send drills along the ground, create a small black hole that draws projectiles into it from off-screen, fire off an armada of missiles and lob fireballs at the player. Simply avoid the attacks until you can collect all seven Super Emeralds, thus allowing Super Sonic to transform into Hyper Sonic, allowing him to finish the boss with either four Homing Attacks or a use of White Boost.