Пройдусь так же как и все по играм и назову самые сложные для меня уровни.
1) Sonic the Hedgehog - Scrap Brain Zone
2) Sonic the Hedgehog 2 - Death Egg Zone
3) Sonic the Hedgehog 3 - Launch Base Zone
4) Sonic & Knuckles - Lava Reef Zone
5) Sonic the Hedgehog CD - Quartz Quadrant
6) Sonic 3D Blast - Voolcano Valley Zone
7) Sonic Heroes - Final Fortress
8) Sonic the Hedgehog 2006 - Crisis City
9) Sonic Unleashed - Eggmanland
10) Sonic Colors - Asteroid Coaster
11) Sonic Generations - Crisis City
12) Shadow the Hedgehog - Space Gadget