what to pick I have done several stupid things in video games but the dumbest i would have to say is tried a rocket jump in borderlands 2 with the Norfleet rocket launcher on the final 5% of Teramorphus the invincable fight killed the entire team i was running with ^ ^

One of the burnout games, all F1 cars, the really low ones with fins, was in first place with everyone right on me going into a turn near a tunnel, screen flashes, all i see are tires rolling through the tunnel, everyone wrecked hard enough to cause an avalanche of tires to flood into the tunnel, totally my bad...

While playing some Diablo 3 on the computer, and running some rifts, I was using a build that utilizes a teleport function and in Diablo you can teleport through walls to like the next room. I teleported in a group of elites with the worst buffs(arcane: spawns a death orb that murders you, molten: leaves fire wherever it walks and when it dies it explodes, and plagued: spawns pools of poison to do damage over time) and I couldn't escape because the teleport needed to cool down so I got destroyed in like 0.5 seconds... I stood no chance >.<

I think for me it'd be that time when me and my brother would play Super Smash Brothers Melee. I was really close to finally beating him, when I killed myself by using a downwards smash attack.

first one that comes to mind was fairly recent, criminal mastermind challenge in gta 5(4th heist) i was arguing with my friend who kicked me out of his car in the middle of the highway and i was like "whatever i'll just jack a ride" i then proceeded to get run over about 6 times before a rig hit me for the killing blow costing us the challenge. And yes i was trying to avoid the cars when i saw my health get low but the gta gods had other plans

They say the mind bends and twists in order to deal with the horrors of life,
sometimes the mind bends so much it snaps in two.

Final Fantasy 13.  I ran around for 2 hours trying to find the way to go when it was literally right in front of me, and I had passed it like 20 times.  It was a sad day for me then.