1. Gears of War 3 - Seriously 3.0 (100g): Reach Level 100 and Earn Every Onyx Medal
If you have a job, any kind of interpersonal relationships to attend to, or any other interests in life whatsoever outside of trying to get this achievement, then youre probably best giving it a miss. Its one of those infuriating multiplayer achievements that aim primarily to keep you playing long into the game churn. Reaching level 100 will take time. Oh so much time. You can expect to be playing for long into the foreseeable future to attain the top level and if you can stomach the monotony youve also then got to net yourself all of the 65 Onyx medals needed awarded for satisfying specific multiplayer conditions, like killing 1000 enemies holding a captor - to finally yield that beautiful blip sound. And when you do, if you do, youre probably looking at a premature orgasm at the very least. More likely though, youll burn out around the half way mark and find yourself regretting you ever started. These are the achievements that made fools of us. Did we miss anything that's had you with clumps of your own scalp between your fingers? Do let us know.