Reckon you've played every Mario level? Maybe it's time to think again. A selection of rarely-seen levels, originally designed by Nintendo, have now been re-created via Wii U level designer Super Mario Maker. These 30 levels were included in the Game Boy Advance release of Super Mario Bros. 3 (which was also confusingly titled Super Mario Advance 4). But these levels were hidden away and not normally available to play. Titled as "World-e", this selection was only unlockable with the GBA's rare e-Reader peripheral and its series of even rarer Super Mario Advance collectible cards. Now, you don't need any of that to play them - as a fan has re-created the whole selection in Mario Maker. Mario fans Baddboy78 and theycallmeshaky revealed their version of World-e, along with a download code for each level: E-1 Wild Ride in the Sky: 2B4B 0000 007B 5343 E-3 Bomb Volley: FE1E 0000 007B 53BC E-4 Pipes O'Plenty: F5F3 0000 007B 546E E-5 Bombarded by Bob-Ombs: 1209 0000 007B 559D E-6 Magical Note Blocks: 4388 0000 007B 5682 E-7 The Ol' Switcheroo: 8F1F 0000 007B C071 E-8 Piped Full of Piranhas: 6078 0000 007B E3D8 E-9 Swinging Bars of Doom: 7742 0000 007D F093 E-10 Para Beetle Challenge: 656C 0000 007E 1CC9 E-11 Magical Note Blocks 2: B3DB 0000 0080 4E1C E-12 Airship 1: 660E 0000 0081 0A27 E-13 Chill Cavern: A8C9 0000 0081 33FA E-16 Castle a Go-Go: BC9E 0000 0082 FFF5 E-17 Frappe Snowland: 3245 0000 0083 25D7 E-18 Frozen Fortress: A403 0000 0084 0A35 E-19 Brick Maze: 2967 0000 0085 E914 E-21 60 Seconds: 3A6B 0000 0087 5003 E-22 Ropeland: 81A6 0000 0087 E28E E-24 Clear Skies: B111 0000 0084 2101 E-25 Koopahari Cavern: 637A 0000 008A CB63 E-26 Aqua Bars of Doom: 3305 0000 008B 706A E-27 The Gauntlet: EF71 0000 008C BC39 E-28 Hammer Bro. Ship: 240D 0000 008E C639 E-29 Bowser's Airship - Part 1: 1E56 0000 008F 0485 E-30 Bowser's Airship - Part 2: FFD8 0000 008F 9487 Let us know if you play any in the comments below