This index is for that one thing. The single element in a game that stands out against all others as the single source of all player frustration.

If you experience frustration and anger at a level that may have one or more of these things, congratulations: you're playing That One Level. ThatOneLevel / Platform Game · ThatOneLevel.Super Mario Bros

One achievement (or trophy) that keeps you from true 100% Completion. It's particularly jarring to players when most of them were easy, or at least fairly easy ...

That One Boss is, well, that one boss that falls victim to poor playtesting or was thrown in by especially cruel developers. You're leveling up normally, … ThatOneBoss / Atlus · ThatOneBoss / Pokémon · The Last Days of FOXHOUND

The That One Attack trope as used in popular culture. A particular attack in an enemy's arsenal which is significantly more dangerous than most of its …

That One Player describes someone who has played a game so much, discovered all the secrets, knows all the moves, hell, he might as well have gotten the …

You should get something in return for it. It has to be voluntarily chosen. And it has to be a completely disastrous option that is just plain not worth it. The ...

The equivalent of That One Level or Boss for Solve the Soup Cans and other similar adventure game puzzles. These may sometimes require the use of bizarre logic ...

An optional, nonessential, usually out-of-the-way part of a video game that is extremely difficult and/or time consuming to complete, yet is nonetheless ...

The That One Rule trope as used in popular culture. Games require rules. Even Calvinball has a few (You can't play it the same way twice, you must wear a …