What are some of the most frustrating moments you've ever experienced in a videogame?
Super Mario Bros. 3, NES: Fire World
I could never beat this without the help of a Game Genie. This world is utter madness.
Breakdown, XBox: 2nd Solus Battle
This battle feels like it goes on forever, and Solus moves very quickly, and unleashes a barrage of attacks, making it incredibly frustrating.
Once you're finally close to defeating him, the music changes and becomes faster and more intense. It was very satisfying to finally beat him.
Tekken 6, XBox360: Alisa Boss Battle
In Scenario Campaign Mode, Alisa, the cute pink-haired robot girl whose been helping you throughout the game, has now turned on you, and not only do you have to defeat her, but several armored brutes as well. All of her attacks are very difficult to avoid and consume a lot of your health meter. Sometimes she'll freeze you, then begin to beat you senseless, turn her arms into chainsaws, shoot missles at you, and even tear her own head off, place it in your hands and have it explode.
Banjo-Kazooie, N64: Final Boss: Gruntilda
The boss battle starts off simple enough, with Grunty flying to and fro, and stopping every now and then for you to attack her. But as it progresses, it gets more and more difficult. Firing eggs at all the Jinjo statues at the end, WHILE trying to avoid all of the rocks Grunty is throwing like a madman, and dodging her homing attacks with Golden Feathers (if you have enough) had me wanting to tear my hair out in frustration. Thank goodness for cheats.

Super Mario Bros. 3, NES: Fire World
I could never beat this without the help of a Game Genie. This world is utter madness.

Breakdown, XBox: 2nd Solus Battle
This battle feels like it goes on forever, and Solus moves very quickly, and unleashes a barrage of attacks, making it incredibly frustrating.
Once you're finally close to defeating him, the music changes and becomes faster and more intense. It was very satisfying to finally beat him.

Tekken 6, XBox360: Alisa Boss Battle
In Scenario Campaign Mode, Alisa, the cute pink-haired robot girl whose been helping you throughout the game, has now turned on you, and not only do you have to defeat her, but several armored brutes as well. All of her attacks are very difficult to avoid and consume a lot of your health meter. Sometimes she'll freeze you, then begin to beat you senseless, turn her arms into chainsaws, shoot missles at you, and even tear her own head off, place it in your hands and have it explode.

Banjo-Kazooie, N64: Final Boss: Gruntilda
The boss battle starts off simple enough, with Grunty flying to and fro, and stopping every now and then for you to attack her. But as it progresses, it gets more and more difficult. Firing eggs at all the Jinjo statues at the end, WHILE trying to avoid all of the rocks Grunty is throwing like a madman, and dodging her homing attacks with Golden Feathers (if you have enough) had me wanting to tear my hair out in frustration. Thank goodness for cheats.