Template:Infobox Challenge Act
Rooftop Rail Grind is the third Challenge Act of Rooftop Run Act 2 in the console/PC version of Sonic Generations Stage in the modern era and is playable only as Modern Sonic .
Description In this Challenge Act, the player takes control of Modern Sonic in Rooftop Run Act 2 , and there are no supporting characters.
The player is given a Snowboard throughout the whole Act, and they simply need to make it to the goal in the given time limit. The Act is also slightly altered with Ramps and Springs in order to make the Act's layout more friendly towards board riding.
Playable characters Modern and Classic Sonic (Modern and Classic Super Sonic ) · Shadow *
Non-playable characters Amy · Animals (Flicky , Picky , Pecky , Cucky ) · Babylon Rogues (Jet , Storm , Wave ) Bark · Bean · Big · Biolizard * · Black Doom * · Blaze · Chao (Cheese ) · Chip · Cream · Cubot · Dark Gaia · Doom's Eye * · Modern and Classic Eggman · Emerl · Fang · Knuckles · Mighty · Mephiles · Metal Sonic · Omega · Omochao · Orbot · Perfect Chaos · Ray · Rouge · Silver · Modern and Classic Tails · Team Chaotix (Charmy , Espio , Vector ) · Tikal · Time Eater · Wisp (Yacker )
Wisps Orange · Pink
Stages Green Hill · Chemical Plant · Sky Sanctuary · Speed Highway · City Escape · Seaside Hill · Crisis City · Rooftop Run · Planet Wisp · Casino Night
Challenge Acts Doppelganger Race! · The Buzz Bombers' Revenge! · Knuckles: Horde of Enemies · Swingset Circus · High Speed Challenge · Look Out Below! · Tails: Way Past Fast · Jump Rush · 300% Boost Gauge Challenge · Tails: Toxic Skies · Which Switch is Which? · Aqua Shield Challenge · Invincibility Challenge · One Ring Challenge · Amy: Taking the Leap Together! · Grappling with Grabbers · Underwater Ring Machine · Eggrobo Rush · Aerial Paradise · Ring Time Challenge · Amy: Topsy Turvy · Knuckles: Buried Treasure · 200% Boost Gauge Challenge · Balloon Bonanza · High-Speed Hijinks (Modern) · Cream: Chao Hunt · Hot Pursuit (Classic) · High Speed Challenge 2 · Resisting Arrest · Overdrift · Hot Pursuit (Modern) · Drill Baby Drill · Espio: Master of Camouflage · Lord of the Board · Thunder Shield Challenge · Rouge: The Bombardier · Rite of Spring · Cream: Helping Hand · Dash Ring 1-2-3 (Modern) · Topsy-Turvy · High-Speed Hijinks 2 · Rescue the Animals! · Espio: Way of the Ninja · High-Speed Hijinks (Classic) · Underwater Challenge · Rouge: The Temptress · Trick Island · Surf, Sea, and Sand · Terror From the Deep · Goal Post Juggle · Vector: Through the Storm · Flame Shield Challenge · Ring Time Challenge 2 · Power Stomp Challenge · Switcheroo · Blaze: Piercing the Flames · Four-way Cannon Cavalcade · High-Rise Balloon Climb · Dash Ring 1-2-3 (Classic) · Charmy: Don't Bug Me! · One Ring Challenge 2 · Barrel Ring Bonus · Rooftop Rail Grind · Endless Boost · Vector: Pick Up the Beat · With Your Powers Combined · Goal Post Juggle 2 · Chase After Blaze · Rescue the Animals 2! · Cart Challenge · Charmy: High in the Sky · Action Master · Orange Rocket, Blast Off!
Enemies Aero-Cannon · Buzz Bomber · Buzzer · Chopper · Cop Speeder · Crabmeat · Egg Chaser · Egg Fighter · Egg Fighter: Sword · Egg Launcher (H) · Egg Launcher (H+V) · Egg Launcher (V) · Egg Pawn · Eggrobo (Unnamed Eggrobo variant ) · Giant Chopper · Grabber · Gun Beetle · Gun Hunter · Iblis's Minions (Iblis Biter , Iblis Taker , Iblis Worm ) · Mono Beetle · Moto Bug · Sandworm · Spinner · Spiny · Sprinkler · Thunder Spinner
Bosses Rival bosses Metal Sonic · Shadow · Silver
Era bosses Biolizard * · Death Egg Robot · Perfect Chaos · Egg Dragoon · Time Eater
Moves/ Playable characters Air Boost · Atomic Spin · Boost · Bound Jump · Cartwheel · Chaos Control * · Chaos Snap * · Chaos Spear * · Crouch · Double Jump · Drift · Freestyle Tricks · Grind Step · Grinding · Homing Attack · Hop · Insta-Shield · Jump Dash · Kick boost · Lightspeed Dash · Mid-Air Dash · Quick Step · Slide · Skydiving · Spin · Spin Dash · Spin Jump · Stomp · Super Sonic Boost · Super Sonic Missile · Wall Jump ·
Non-playable characters Dig · Drill Attack · Fire Beam · Flying · Heart Effect · Ice Wave · Meteor Smash · Ninja Arts: Camouflage · Propeller Flying · Psychic Knife · Psychokinesis · Restraint Trap · Ring Spark Field · Sun Burst · Teleport Dash · V. Maximum Overdrive Attack · Warping arm attack · Whirlwind
Color Powers Orange Rocket · Pink Spikes
Skills Aqua Shield · Flame Shield · Thunder Shield · Twin Spin Attack · Invincible Start · Shield · Power Sneakers · Long Spin Dash · Treasure Scanner · Homing Attack · Hercules Muscles · Breath Holder · Boardmaster · Ring Time · Blast Off · Speed Up · Direct Jump · Power Stomp · Quick Slide · Acceleration · Smasher Bonus · Ring Energy Bonus · Boost Gauge Up · Serial Homing · Auto-Gauge · Gauge Rebooter · Trick Mastery · Endless Boost · Power Brake · Sure-Footed · Safety Net · Last Chance · 10-Second Rings · Athleticism · Time Break · Super Sonic · Sega Genesis Controller
Gimmicks and obstacles Balloon · Barrel · Big Balloon · Blue blob · Bomb · Bonus Bell · Bottomless pit · Bumper · Cannon · Capsule · Car · Cart · Cloud · Crusher · Dash Panel · Dash Rail · Dash Ring · Dimensional Bomb · Egg Spring · Explosion Trap · Fan · Flipper · Four-way Cannon · Gear Platform · Goal Plate · Gondola · GUN Military Truck · Hanging Bell · Heart bomb · Helicopter · High-speed warp tube · Horizontal Bar · Iron ball · Jump Panel · Kao · Laser field · Meteorite · Movable box · Pole Elevator · Propeller Spring · Pulley · Rainbow Ring · Rocket · Route Signal · Saw · Seesaw · Sling Shot · Slot machine · Spike Trap · Spikes · Spinning Top · Spinning Platform · Spotlight · Spring · Spring Catapult · Spring Pole · Star Post · Switch · Trick Jump Panel · Wall Jump Block · Warp Point · Wide spring · Zip Line
Items Air bubble · Boss Gate · Boss Gate Key · Buoy · Chaos Emerald · Container (Case , Spike Block , Steel Container , Unbreakable Container , Wooden Container ) · Energy Core · Goal Ring · Information Pod · Item Box (1-Up , Aqua Shield , Flame Shield , Invincible , Power Sneakers , Skateboard , Super Ring , Thunder Shield ) · Medal · Mega Mack · Musical note · Red Star Ring · Ring · Snowboard · Time Bonus · Wisp Capsule
Voice actors English Roger Craig Smith (Modern Sonic , Wisp announcer) · Mike Pollock (Modern and Classic Eggman ) · Kate Higgins (Modern and Classic Tails ) · Travis Willingham (Knuckles ) · Cindy Robinson (Amy ) · Kirk Thornton (Shadow ) · Quinton Flynn (Silver ) · Laura Bailey (Blaze , Omochao ) · Karen Strassman (Rouge ) · Michelle Ruff (Cream ) · Keith Silverstein (Vector ) · Troy Baker (Espio ) · Colleen O'Shaughnessey (Charmy )
Japanese Jun'ichi Kanemaru (Modern Sonic ) · Chikao Ōtsuka (Modern and Classic Eggman ) · Ryō Hirohashi (Modern Tails ) · Takuto Yoshinaga (Classic Tails ) · Nobutoshi Canna (Knuckles ) · Taeko Kawata (Amy ) · Kōji Yusa (Shadow ) · Rumi Ochiai (Rouge ) · Daisuke Ono (Silver ) · Nao Takamori (Blaze ) · Sayaka Aoki (Cream ) · Kenta Miyake (Vector ) · Yūki Masuda (Espio ) · Yōko Teppōzuka (Charmy ) · Etsuko Kozakura (Omochao ) · Fumihiko Tachiki (Wisp announcer)
Music Songs "Sonic Boom " · "You're My Hero " · "Super Sonic Racing " · "Open Your Heart " · "It Doesn't Matter " · "Escape from the City " · "For True Story " · "E.G.G.M.A.N. " · "Sonic Heroes " · "What I'm Made of... " · "Right There, Ride On " · "Vela Nova " · "I Am... All of Me " · "All Hail Shadow " · "His World " · "Dreams of an Absolution " · "Seven Rings In Hand " · "Let the Speed Mend It " · "A New Venture " · "Race to Win " · "Un-Gravitify " · "Endless Possibility " · "Knight of the Wind " · "Free " · "Reach for the Stars " ·
Albums 20 Years of Sonic Music · Blue Blur: Sonic Generations Original Soundtrack · History of the 1st Stage Original Soundtrack White Edition
Other Boost Gauge · Chao in Space · Collection Room · Combo · Corkscrew · Death Egg · Death Egg Robot · Egg Dragoon · Egg Gun · Egg Mobile · Egg Spear · Lair of the Time Eater · Life · Loop · Miles Electric · Orca · Perfect Bonus · Rank · Sonic's birthday · Sonic Generations: BradyGames Official Strategy Guide · Sonic Generations (manga) · Sonic Generations of Skate · Statue Room · Time Hole · Tornado-1 · Totem pole · Tunnel · Water · White Space
