Here is a graph showing accumulation of Double Digit Acros, for the leading players, over time. Graph

Players notice when a server topic gets reused,
often gaining the impression that it happens more often than it does.
(No one takes notice of it NOT happening!)

Using (almost) all of the rounds played from
March 13 through June 2 (2019), a total of
1934 topics were used. (Minus a few for the default
Story topics of "Continue the story ..." and
"Title of the New Story".)

The great majority were one-offs.
Of the rest, 88 occurred twice in that period,
and a much smaller number (around 20 or so)
occurred more often than that.

For the most part, those were player-supplied topics.

Those were as follows:
3: 3 related words
3: 3 similar words
3: Bad name for an airline
3: Excuse to get out of a date
3: Give acro advice to a new acroer
3: Good news Mr Jones - your wife's having triplets!
3: Life is like a...
3: Overheard on Noah's Ark
3: Plot for a new horror film
3: The Final Jeopardy question that cost you the game
3: Using your most sophisticated vocabulary to say something
3: Write a beautiful poem about love
3: Your typical gym teacher is ...
4: Inscribed on your tombstone
4: Make up a word and define it
4: Slogan for the new Funeral Home
8: A + B = C
8: Provide an inspirational quote
12: rhyme time (in various forms)

NOTE that for player topics, there might be more cases,
but the topics were specified with differing punctuation,
or capitalization, or something else which made detection fail.
(As with "3 related words" and "3 similar words" above.)

This had to be a first!
All five players wrote the same acro, differing only on some punctuation!

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And amazingly ... a second time! (Sep 9, 2020)

But wait ... there's more:

On December 6, 2021, those feats were topped (sort of):

Seven acros, all "basically the same".

The topic was the word "Now" and the letters were ATM.

4 players wrote "At this moment."
Another player wrote "At the moment",
and another *meant* to write "At this moment.",
but dropped the first T.
And the last player wrote "At this minute.",
which ended up winning with most of the "At this moment." players voting for it!

bilbolives: At this minute.
chicmic: At this moment.
kittypower: At this moment.
Blahblahblah: At this moment.
Soupboy: At this moment.

virgingoods: At the moment.
MrPuzzle: A this moment.

Other sites have based the length of the game on some player
reaching a certain score - typically 30 points.

Depending on how many points can be scored in a round,
such a game can be over after just 4 or 5 rounds,
or it could go on for 15 rounds or more.

How does that compare to Acrozilla, where all games are 10 rounds?

It turns out, not all that differently.

For the period Nov 25, 2017 to July 10, 2019, there
were about 1600 winners recorded here.
This includes some testing games, and also instances
where there were tie games with multiple winners.

Graph of data Nov, 2017 - July,2019

Winning scores range
from 21 - 56 and average 32.4.
They break down as follows:
Points ... Number of games
20-24: 90
25-29: 486
30-34: 515
35-39: 329
40-44: 126
45-49: 48
50-54: 16
55-59: 3

We see that in well over half (1001 - 62%) of those games,
the winning score was between 25 and 34.
The 35-39 bracket brings that total to over 1300 (82%).

Of the games which didn't reach 30 points, most probably
would have after one or two more rounds (the 25-29 range),
and only about 12% were runaway wins (with the winning score 40 or higher).

While voters can apply their own standards, here's why I object to the cavalier use of & in acros.

The basic premise (and challenge) of the game is:

Write something that matches the letters, word for word. One letter, one word.

Not "write something that matches the letters, and throw in some convenient words, too, if need be".

You can't skip over any letters, and you shouldn't add any extras, either.

& is just a shorthand for "and".

So if the letters are E I L L T I,
then writing, Essentially, I'd leave AND let tourists invade. is not ok.

and therefore, Essentially, I'd leave & let tourists invade. is not ok, either.

(& is only accepted because the program allows punctuation, including standalone punctuation such as ellipsis.)

A simple rewording avoids the problem altogether:
Essentially, I'd leave, letting tourists invade.

The only time I will vote for one of these is if there is no other choice: because the others are even worse, or if the acro is extraordinarily good.

Usually as soon as I see the &, I don't even finish reading them, because I know they won't gmv.

Given the time constraints, even the best players are sometimes hard pressed to write the perfect acro.

But when it comes to VOTING, there are no excuses.

Here are criteria I apply. (Which I myself occasionally violate in writing acros, but try to apply assiduously in voting.)

• One thought or phrase rather than two or three.
• Avoid crutch words:
  

  Don't start with "Ah" or "Oh".
  Don't tack adverbs or exclamations on the end, either,
  such as "obviously" and other adverbs or "indeed", "Ick!" or "Eww!".

• Avoid using arbitrary names out of nowhere.

  Example: Watercooler gossip / ABC /
  Bad: Asked Bob's cooperation. [Who the heck is "Bob"?]
  Good: Alerted boss's companion.

• No split words ("mail box" is one word not two).
• No mashed-together words, such as "Whitehouse" - that's two words.
• No extra words added via punctuation such as & or @ or numbers such as 2, 4, or 8.
  That's just writing an (n+1)-word acro on an (n)-letter round.
• Or worse, just adding extra words by tacking them onto other words, as in this "three" word acro:
  Always buy....Wheaties cereal.
• While it can sometimes have good humorous effect, or make a good pun,
  changing words to fit the letters is a usually just a sign of weakness. (It's "canoe", not "kanoe".)
• A "lotta" acros which use things which are "kinda" words, just "ain't" "gonna" get my vote.
• Be specific rather than general:

  Example: Favorite City / MLCP /
  Mediocre acro: Most Loved City: Paris!
  That could just as well be Prague, or Peoria, or Podunk.
  Better acro: Magnificent Louvre charms Paris ... now it's actually about Paris

A + B = C is one of the most common topics for 3-letter rounds, but many players misplay it.

It's supposed to be "taking two things, which when put together become a third".
The A and B should both be the same part of speech, either both nouns (most commonly), or both adjectives or verbs, with the result being a third of the same kind.

The canonical example often given is:
Dog + Cat = Fight
Take two sworn enemies, put them together, and a fight ensues.

It should NOT be a two-word phrase with a plus sign stuck in the middle of it. Or worse, a three word phrase with both punctuation marks just added.

A good test is:
If it works just as well WITHOUT the plus sign, it's not a 'real' A+B=C acro.

Here are some examples, showing not-so-good acros, followed by improvements to them:

Flawed Acro	Reason	Improved
Dirty + Dog = Mud	Most Adjective + Noun acros fail the "you don't need the plus sign" test.	Dirt + Dog = Mess
Cold + Day = Shivering	Make it two adjectives rather than just "cold day".	Cold + Disrobed = Shivering.
Foreign + trip = Romania.	You can't "add" 'foreign' to a trip, it's a 'foreign trip'.	France + Trip = Romance
Spill + Porridge = Mess	Verb + Noun acros are still just two-word phrases.	Sofa + Porridge = Mess
Observe + Fossils = Paleontologist	SO close .... just make both parts nouns.	Observer + Fossils = Paleontology
Broken + Head = Headache	Again, this doesn't need the plus sign; use a noun instead of an adjective.	Brick + Head = Headache
Donald + Lies = Always	Here, all the punctuation is simply inserted, since lies can be read as a verb.	Donald + Lie = Alibi

Duplicate acros (or near dups) are fairly common. But as the number of letters increases, the frequency DEcreases.

Tonight was one of those extremely unlikely cases.

For the topic of "Describe a perfect vacation", KLJ and MrPuzzle both wrote, word-for-word:

"Somewhere nice, good food, money's not used."

I put an exclamation point at the end, she used a period. That was the only difference.

Weird only begins to describe it.

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Feb 9, 2023 - Another 6-bagger:
Round 9 (GGCDWO) (Topic was of a video of someone 'claiming' a lost purse.)

chicmic: Girl gets caught doing wrong obviously.
MrPuzzle: Girl gets caught doing wrong, obviously.

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May 28, 2023 - Another 6'er:
The topic was a picture from a store showing side-by-side condoms and diapers, and a sign saying, "Take your pick."

Right!
Based on the letter distribution, the probability of this happening on a given round
is around 1 in 3708.

If the three-letter topic is always A+B=C,
with two 3-letter rounds per game, and 3 games per day,
playing every day, there would be 2190 chances for
it to happen each year. So it would be expected to
happen about once every year-and-a-half or so.

The topic was "Anyone famous" and this group really came through.
Everyone wrote a vote-worthy acro and it was hard to pick one:

The letters were: T W A I P

• bilbolives: -- Twain was America's inscrutable roue.
  
• gatyamgal: -- There's Waldo... always in reclusion.
  
• kittypower: -- Tiger Woods' affair is raunchy.
  
• klj: -- Tammy Wynette always I respected.
  
• MrPuzzle: -- Tennesse Williams always inspired readers.
  
• MysticEmerald: -- Taylor will always idolize Rihanna
  
• SLUGGO1969: -- Tom Wopat, actor is real.
  

I guess bilbolives was inspired by the T W A I .. letters,
as is often the case for many players.