baneling landmines in starcraft 2. biggest powertrip on the face of the planet.
fighting a dragon, two mammoths, and a giant (free for all, wasnt the target of all of them at the same time) at like level 15 in skyrim. heartpounding epicness.
winning a 200 lap endurance race in gran turismo 2 by milliseconds.
De Rol Le fight for the first time in PSO.
first...encounter in uncharted 2, that was rediculous
final race in Need for Speed: Hot Pirsuit
Beating Metroid Fusion with 95% completion in 4hrs
FFIX Lich win in less than 12 hours of gameplay while still getting full completion (i cried and swore to never do that ever again)
final mark mission on ffxiii with 5-stars, that fight is rough.
beating the elite four in pokemon blue for the first time ever, proving Zapdos is way OP.
Warcraft 3. that game is just epic in general
getting a near perfect Mew picture in pokemon snap...
that's all i can think of for now. but there's plenty more
