World 4 is the fourth world in Super Mario Run. Although its exact terrain is unknown, it contains four levels that consist of the fortress, grassland, underground, and airship themes, respectively. This world is available after completion of World 3, and unlocks World 5 upon its own completion.
Levels[]
Cutting-Edge Spire[]
A fortress level with Grinders.
Slope to Success[]
A grassland level with slopes (some steeper than others), Goombas, and Koopa Troopas.
Danger High and Low[]
An underground level with Buzzy Beetles and Munchers.
Firing the Airship's Burners[]
An airship level containing Burners and Ninjis, as well as the game's fourth boss battle, against Boom Boom.
Enemies introduced[]
Obstacles introduced[]
[Edit] 
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| Characters | Playable | Luigi • Mario • Princess Peach • Princess Daisy • Toadette • Yoshi (Red Yoshi • Blue Yoshi • Purple Yoshi • Yellow Yoshi) |
| Other | Mii • Toad | |
| Bosses | Bosses | Boom Boom • Bowser |
| Enemies and obstacles | Enemies | Boo • Bullet Bill • Bull's-Eye Bill • Cannonball • Dry Bones • Fishing Boo • Fuzzy • Goomba • Goombrat • Green Koopa Troopa • Koopa Paratroopa • Lakitu • Ninji • Piranha Plant • Podoboo • Pokey • Poison Bubble • Red Koopa Troopa • River Piranha Plant • Rocky Wrench • Scaredy Rat • Scuttlebug • Spike • Spiny • Stretch • Swooper |
| Obstacles | Burner • Coin Rush Star • Fire Bar • Grinder • Muncher • Ring of Fire • Spiked Ball • Spike Roller | |
| Items and objects | Items | Black Coin • Blue Coin • Bonus Medal • Coin • Key • Pink Coin • Purple Coin • Red Coin • Super Mushroom • Starman |
| Objects | Axe • ! Switch • ? Block • Backflip Block • Bonus ? Block • Brick Block • Bubble • Cannon • Checkpoint Flag • Door • Goal Pole • Dotted-Line Block • Hidden Coin • Key Door • Lift • Long Jump Block • Pause Block • P Switch • Red Ring • Rally Ticket • | |
| Levels | World 1 | Up and Over • Wall-Kicking It Underground • Paratroopas in Mushroom Valley • Bowser's Castle Hangout |
| World 2 | Ghost-Door Deception • Sky-High Lifts and Leaps! • Treasure-Hoarding Swoops • Airship Cannons...Fire! | |
| World 3 | Big Spiny Blitz • Bullet Bill Barrage • Shell Me the Way! • Fire Bar Castle! Youch! | |
| World 4 | Cutting-Edge Spire • Slope to Success • Danger High and Low • Firing the Airship's Burners | |
| World 5 | Lakitu's Revenge • Pokey Vaulting • Boohind Lock and Key • Rings of Fire! | |
| World 6 | Land of Spikes • Switch Ghost House • Throwing It All Overboard • Bowser's Bob-ombing Run | |
| World Star* | Scuttlebug Forest • Airship Armada • Fishing Boo Taunts You • Desert Fuzz • Dark and Stormy • Wild Slopes • Scaredy Rat Race • Spike Bar Jungle • Airship Plunder | |
| Special courses | Chase the Snaking Coins • Piranha Plant Field • Make the Cut! • Red Block Run* | |
| Secret courses* | Secret Course 01 • Secret Course 02 • Secret Course 03 • Secret Course 04 • Secret Course 05 • Secret Course 06 • Secret Course 07 • Secret Course 08 • Secret Course 09 • Secret Course 10 • Secret Course 11 • Secret Course 12 • Secret Course 13 • Secret Course 14 • Secret Course 15 • Secret Course 16 • Secret Course 17 • Secret Course 18 • Secret Course 19 • Secret Course 20 • Secret Course 21 • Secret Course 22 • Secret Course 23 • Secret Course 24 • Secret Course 25 • Secret Course 26 • Secret Course 27 | |
| Game mechanics | Game mechanics | Point • Time limit |
| Miscellaneous | Miscellaneous | Gallery • Kingdom Builder • Shop |
| Items marked with an asterisk (*) were introduced in version 3.0.4 or later. | ||