An empty Challenge Act Gate.
Challenge Acts are stages that appear in the console/PC version of Sonic Generations. They are mission-based levels that the player can participate in.
Overview[]
Challenge Acts are accessed via Challenge Act Gates in the area above each Stage Entrance in White Space. There are ninety Challenge Acts; each stage has five for Act 1 (Classic Sonic) and Act 2 (Modern Sonic). Completing the first Challenge Act for any area unlocks a Boss Gate Key, and completing all of an area’s challenge acts with one character will restore a bit of color to the act’s Challenge Area. In addition, any Challenge Act the player completes will cause a Bonus Bell to appear above the Challenge Act Gate that, when rung, will spawn a roaming musical note that unlocks a random music track or piece of concept art.
List of Challenge Acts[]
Green Hill[]
Act 1[]
- Doppelganger Race!: Face off against Sonic's double and beat him in a race to the goal.
- The Buzz Bombers' Revenge!: Beware of Buzz Bombers! Reach the goal before time runs out.
- Knuckles: Horde of Enemies: A horde of giant enemies will try to interfere in your race with Knuckles.
- Swingset Circus: Use swings to go up and up and reach the goal in the allotted time.
- High Speed Challenge: Collect Power Sneakers to reach the goal before time runs out.
Act 2[]
- Look Out Below!: Reach the goal before time runs out, but watch out for the crumbling course!
- Tails: Way Past Fast: Race to the goal against Tails in his airplane.
- Doppelganger Race!: Face off against Sonic's double and beat him in a race to the goal.
- Jump Rush: Master the Jump Panels as you bounce your way to the goal within the time limit.
- 300% Boost Gauge Challenge: Your Boost Gauge is tripled. Reach the goal to earn the Boost Gauge Up Skill!
Chemical Plant[]
Act 1[]
- Tails: Toxic Skies: Press
/
to grab Tails' hands to fly and reach the goal within the time limit. - Which Switch is Which?: Flip the various Switches and make your way to the goal within the time limit.
- Aqua Shield Challenge: Use Aqua Shield to reach the goal in time and obtain the Aqua Shield Skill!
- Doppelganger Race!: Face off against Sonic's double and beat him in a race to the goal.
- Invincibility Challenge: Get the Invincible power-up to get past hordes of enemies and reach the goal in time.
Act 2[]
- One Ring Challenge: Reach the goal in time with only one Ring!
- Doppelganger Race!: Face off against Sonic's double and beat him in a race to the goal.
- Amy: Taking the Leap Together!: Press
/ to call Amy for a super-high jump to get to the goal in time. - Grappling with Grabbers: Avoid the Grabbers' immobilizing grasp and get to the goal in time.
- Underwater Ring Machine: Collect a set number of Rings scattered by the Sprinkler enemy and reach the goal in time.
Sky Sanctuary[]
Act 1[]
- Doppelganger Race!: Face off against Sonic's double and beat him in a race to the goal.
- Eggrobo Rush: Reach the goal in time while fending off a bevy of menacing Eggrobos!
- Aerial Paradise: Use Warp Points to make your way to the goal in the allotted time.
- Ring Time Challenge: Use Ring Time with Triangle/Y to get a set number of Rings and reach the goal in time to earn the Ring Time Skill!
- Amy: Topsy Turvy: Race against Amy while riding on a spinning top and beat her to the goal.
Act 2[]
- Knuckles: Buried Treasure: Press / to make Knuckles dig up Medals! Collect a set number and reach the goal in time!
- 200% Boost Gauge Challenge: Your Boost Gauge is doubled. Use the Boost Gauge to reach the goal in time.
- Balloon Bonanza: Use balloons to bounce extra high as you make your way to the goal in time.
- Doppelganger Race!: Face off against Sonic's double and beat him in a race to the goal.
- High-Speed Hijinks: Enemies move and shoot at double speed. Get to the goal in time!
Speed Highway[]
Act 1[]
- Cream: Chao Hunt: Compete with Cream to find more Chao than her and reach the goal.
- Hot Pursuit: Avoid getting hit by the pursuing enemies and get to the goal in time.
- High Speed Challenge 2: Collect Power Sneakers to reach the goal before time runs out.
- Resisting Arrest: Beware of Cop Speeders! Reach the goal before time runs out.
- Doppelganger Race!: Face off against Sonic's double and beat him in a race to the goal.
Act 2[]
- Overdrift: Grab as many Rings as you can while drifting and get to the goal in time.
- Hot Pursuit: Chase the Sprinkler enemy that's dropping Rings. Collect a set number and reach the goal in time!
- Doppelganger Race!: Face off against Sonic's double and beat him in a race to the goal.
- Drill Baby Drill: Smash your way through boxes as you descend to the goal before time runs out.
- Espio: Master of Camouflage: Only the searchlight can reveal Espio. Face him and get to the goal in time.
City Escape[]
Act 1[]
- Lord of the Board: Show off your skateboard skills while racing to the goal before time runs out.
- Thunder Shield Challenge: Use the Thunder Shield to reach the goal in time and obtain the Thunder Shield Skill.
- Rouge: The Bombardier: Watch out for bombs Rouge drops and get to the goal in time.
- Doppelganger Race!: Face off against Sonic's double and beat him in a race to the goal.
- Rite of Spring: Springs everywhere! Use them to bounce your way to the goal in time.
Act 2[]
- Cream: Helping Hand: The only Rings are the ones Cream drops for you. Get to the goal in time.
- Dash Ring 1-2-3: Pass through Dash Rings in order and reach the goal before time runs out.
- Topsy-Turvy: Use the Horizontal Bars and Spinning Platforms to reach the goal before time runs out.
- High-Speed Hijinks 2: Enemies move and shoot at double speed. Try to get to the goal in time!
- Doppelganger Race!: Face off against Sonic's double and beat him in a race to the goal.
Seaside Hill[]
Act 1[]
- Rescue the Animals!: Save a set number of captured animals from Capsules and reach the goal in time.
- Doppelganger Race!: Face off against Sonic's double and beat him in a race to the goal.
- Espio: Way of the Ninja: Press / to have Espio attach a rope to the hooks and reach the goal in time.
- High-Speed Hijinks: Enemies move and shoot at double speed. Try to get to the goal in time!
- Underwater Challenge: Keep a watchful eye on the underwater terrain and get to the goal in time.
Act 2[]
- Rouge: The Temptress: Press / to have Rouge take out enemies using her wiles and reach the goal in time.
- Doppelganger Race!: Face off against Sonic's double and beat him in a race to the goal.
- Trick Island: Use Rainbow Rings to pull off enough tricks and reach the goal in time.
- Surf, Sea, and Sand: Take on various course and find your way to the goal before time runs out.
- Terror From the Deep: Skim the water's surface and try not to get chomped by a Giant Chopper. Get to the goal in time!
Crisis City[]
Act 1[]
- Doppelganger Race!: Face off against Sonic's double and beat him in a race to the Goal.
- Goal Post Juggle: Don't let the Goal Post hit the ground as you get to the Goal in time.
- Vector: Through the Storm: Call for Vector / to get by spots you can't pass and reach the Goal in time.
- Flame Shield Challenge: Use Flame Shield to reach the Goal in time and obtain the Flame Shield Skill.
- Ring Time Challenge 2: Use Ring Time / and reach the Goal in time to get the Ring Time Skill.
Act 2[]
- Power Stomp Challenge: Use your Stomping skills to reach the Goal before time runs out and unlock the Power Stomp Skill.
- Doppelganger Race!: Face off against Sonic's double and beat him in a race to the Goal.
- Switcheroo: Put your brain to the test by hitting switches to get to the Goal in time.
- Blaze: Piercing the Flames: Call Blaze / to get through the flames and get to the Goal in time.
- Four-way Cannon Cavalcade: Go from one Four-way Cannon to another and get to the Goal before time runs out.
Rooftop Run[]
Act 1[]
- Doppelganger Race!: Face off against Sonic's double and beat him in a race to the Goal.
- High-Rise Balloon Climb: Use the Big Balloons to climb higher and higher and reach the Goal in time.
- Dash Ring 1-2-3: Pass through all Dash Rings in order and reach the Goal before time runs out.
- Charmy: Don't Bug Me!: Watch out for Charmy! Reach the Goal in time while avoiding Charmy.
- One Ring Challenge 2: Reach the Goal in time with only one Ring!
Act 2[]
- Barrel Ring Bonus: Smash open barrels to get the Rings inside and grab a set number before time runs out.
- Doppelganger Race!: Face off against Sonic's double and beat him in a race to the Goal.
- Rooftop Rail Grind: Go boarding across the rooftops and clear the stage in time.
- Endless Boost: Boost to the Goal before time runs out to earn the Endless Boost Skill.
- Vector: Pick Up the Beat: Pass notes back and forth with Vector until the croc misses the beat.
Planet Wisp[]
Act 1[]
- With Your Powers Combined: Use the Aqua, Thunder and Flame Shields to get to the Goal in time.
- Doppelganger Race!: Face off against Sonic's double and beat him in a race to the Goal.
- Goal Post Juggle 2: Don't let the Goal Post hit the ground as you get to the Goal in time.
- Chase After Blaze: Try to catch Blaze before time runs out, but watch out for the bombs.
- Rescue the Animals 2!: Save a set number of captured animals from Capsules while avoiding bombs dropped by Sprinklers and reach the Goal in time.
Act 2[]
- Doppelganger Race!: Face off against Sonic's double and beat him in a race to the Goal.
- Cart Challenge: Ride the Cart and get to the Goal safely in time.
- Charmy: High in the Sky: Press / to call Charmy to create a path so you can reach the Goal in time.
- Action Master: Wall Jump, Stomp, and Lightspeed Dash your way to the Goal before time runs out.
- Orange Rocket, Blast Off!: Use the Orange Wisp to turn into the Orange Rocket and reach the Goal in time.
*Appears in Sonic X Shadow Generations only
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