Sometimes they're entertaining, and sometimes they make you want to throw your controller across the room in frustration, but any way you look at it, glitches are an ever-present part of the gaming experience. Despite thousands of hours of play testing and millions of lines of code, almost no game is safe from the occasional technological breakdown. We combed the web to find video evidence of the most egregious and laughable errors. Here are the most notable gameplay glitches of 2011, plus one lifetime achievement award for a game that's featured the same annoying glitch for years.

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Batting Number Two – MLB 2K11

Impact Engine Fail – FIFA 12

Better Late Than Dead – The Elder Scrolls V: Skyrim

Stretch Armstrong – Battlefield 3

Puff The Backwards Flying Dragon – The Elder Scrolls V: Skyrim

Up Next: Out of body experiences, out of control vehicles, and still life with L.A. Noire.

A Mere Flesh Wound – Dead Space 2

The Floaty Head – Dragon Age 2

Still Life With Phelps – L.A. Noire

Temper Tantrum – Infamous 2

Flying Down the Highway – Dead Island

Up Next: Bench Armor, invisible defenders, and rotating tanks.

Bear Love – The Witcher 2: Assassins of Kings

Bench Armor – Assassin's Creed Revelations

The Rotating Tank – Battlefield 3

The Invisible Defender – Madden NFL 12

The Game Breaker – The Legend of Zelda: Skyward Sword

Dead On Aim – Battlefield 3

Up Next: The glitch of the year, and a special lifetime achievement award.

The Glitch Of The Year

Public Display Of Affection – NHL 12

When you watch a hockey game, you expect thunderous slap shots, players flying down the ice at breakneck speeds, and bone-crushing hits. You don't expect to see a guy go in for a little back door lovin' in front of a crowd of 18,000. This public display of affection brings new meaning to the term "stick handling."

Lifetime Achievement Award

Between A Rock And A Hard Place – The Elder Scrolls Series

As long as Bethesda has been making open-world role-playing games, players have been getting stuck on rock formations in mountainous regions far from civilization. When a game has as much content and such a vast continent to explore like Skyrim, bugs undoubtedly come with the territory. But you'd think after five entries Bethesda would have found a replicable solution for this all-too frequent dilemma. Congratulations Bethesda on your lifetime achievement award!