Not all Xbox 360 Achievements or PlayStation 3 Trophies have unique names. Many, in fact, have the same name. Gaming site Giant Bomb figured out the most common ones.
The Giant Bomb guys put one of their engineers on the case, having him trawl through data collected by their website. The site tracks Achievements, Trophies and similar accolades that are available through the Xbox 360, PlayStation 3 and the PC's Steam service. The team announced the most common names during a recent podcast, acknowledging a caveat: They would be double or triple-counting for some games that have the same Achievements in different editions or are on multiple platforms.
Here's the list:
1) Untouchable — used in 55 games, according to the Giant Bomb guys. Including in: Aegis Wing, Altered Beast, Beijing 2008, Buzz Jr: Robo Jam, Call of Juarez, Conan, Contra, Defense Grid, Double Dragon, Dreamkiller, Facebreaker, F.E.A.R. 2, Hail To The Chimp and more...
2) Hero — used in 30 games
3) Veteran - used in 28 games
4) Survivor - used in 27 games
5) Treasure Hunter - used in 19 games
Other common ones include: Collector, Legend, Winning Streak, Sniper, Champion, Team Player, Death From Above, Sharpshooter, Collateral Damage, Pack Rat, Completionist, Exterminator, and Perfectionist
Note to developers: If you're really having trouble figuring out unique names for Achievements, try reading more Kotaku for inspiration.