I think the most annoying is definitely the Carthago Delenda Est. Mostly because it is just a waiting game, same goes for achievements like reach tech 32 or that are only available after certain amount of time. Napoleon's Ambition was surprisingly annoying since I was done with my Nevers game and just had to wait for Age of Revolution.
RNG is always a factor in a game, I don't think Third Way is a bad achievement because it can become difficult through bad RNG, that is part of the hardness. Same for Pheasant Strut, the fact that you can get screwed by other nations or snake across the world doesn't make it a bad achievement, the RNG surrounding Prussia forming does make it worse, but not as bad as Carthago.
I actually really enjoy time based achievements, True Heir of Timur was actually quite a lot of fun. Normally time is a resource you have in abundance in EU4, it is nice to have to play when time is a limiting factor.
RNG is always a factor in a game, I don't think Third Way is a bad achievement because it can become difficult through bad RNG, that is part of the hardness. Same for Pheasant Strut, the fact that you can get screwed by other nations or snake across the world doesn't make it a bad achievement, the RNG surrounding Prussia forming does make it worse, but not as bad as Carthago.
I actually really enjoy time based achievements, True Heir of Timur was actually quite a lot of fun. Normally time is a resource you have in abundance in EU4, it is nice to have to play when time is a limiting factor.
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