My vote is for the Barrel of Doom in Sonic 3. It made me ragequit the game. A friend had to tell me how to proceed...Three years later...
Here's a video of the infamous obstacle:
[video=youtube;Q-3-3yjE-2c]https://www.youtube.com/watch?v=Q-3-3yjE-2c[/video]
Here's a video of the infamous obstacle:
[video=youtube;Q-3-3yjE-2c]https://www.youtube.com/watch?v=Q-3-3yjE-2c[/video]