Years on the grind and many many challenging achievements later and I'm finally at 500,000GS. To quote the name of the achievement I used to get exactly this number "I'm getting excited" :
Is it just me, or are you guys mildly infuriated by games that give an achievement not in a multiple of 5. I need to find a game with either a 2
How to Connect Offline Xbox Profile to Xbox Live [Video]
Here is what achievements look like inside the Xbox app : r/xboxone
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Gamerscores and Achievements carry over from Xbox 360 to Xbox One | Eurogamer.net