It's a sarcastic remark by him because osu mania doesn't offer a lot of high difficulty charts. He's considering osu!mania to be a 'baby's rhythm game', so to say. The 'real rhythm games' that he's referring to would be vsrgs like o2jam and lr2.Fortunape wrote:
''Time to move on to the real rhythm games cause you're a big boy now '' Which real rhythm games?