For specifically update announcements, I would like to see a more transparent list of what is actually being updated. Several times we've gotten tweaks or fixes that never get mentioned. I can't remember off the top of my head an example, but it is pretty annoying.
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For event announcements, I think they are pretty well put together. However.... they aren't very consistent. It seems like the style of and what information is included changes constantly. For example, in the Wildlife Event
announcement, it goes intro > mechanic > prize (with specs) > new daily specials > event hub addition > conclusion. And the whole thing is in [table] tags, which makes the background a different color but that's another story. But in the Fall Event
announcement, it goes intro > mechanic (brief overview) > prize (without specs) > conclusion. Why don't we learn about the event hub addition for this event, or the specs for the grand prize? I guess what I'm saying is that I'd like for it to be more consistent stylistically and information-wise.
For example, maybe go introduction > mechanic > prize (with specs, since we like to see that) > new daily specials > event hub addition > conclusion, and keep the formatting of each one the same. The same kind of images and layout, the same awesome graphics. Give the players a reason to be excited for the new stuff coming out! This is where the devs and artists get to show us what they've been working on recently. Show it off a bit!
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For features announcements, they are done the best out of all of them imo. They have cool graphics, they give us the info we need, and they show off new stuff. More of these please
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And finally just general thoughts. I know a thing or two about formatting on this forum. I've been doing it for the past two+ years. The number one thing you can do to make everything cohesive is keep the formatting the same across everything. You want to put a table in an announcement with info? Try to put a similar table in similar announcements. Don't make players have to search for what they are looking for, lay it out as plainly as possible. However, don't dumb it down! We like to see specs, especially for event buildings. Give them to us!
Announcements are where you can cultivate interest and actual excitement in the game. A new update? Cool! Tell us what makes it special. A new event? Awesome! Show us why we should care. I'd like to point to the PvP Arena
announcement. At the end, tell us what those rewards are! Hype us up for why we should want to play and literally invest in it.
But idk. At heart, I'm just a player, and those are my thoughts. Hope it helps