http://tvtropes.org/pmwiki/pmwiki.php/VideoGame/TheBattleCats

We found it too hard to fight back...because... these Cats...are too cute.

Come to think of it, Cats have already invaded the internet too... We have the best information technology systems and use them to look at Cats.

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"Why is the new weapon a Cat?"

and he answered -

"Because I love Cats."

I remember my days as a kid, I wanted to be a major leaguer.

Now...Now I want to be a millionaire CEO of a Social Networking Service.

YES/NO

Whatever the answer is...I want to tell you one thing.

Yeah, it's that kind of game.

The Battle Cats (にゃんこ大戦争, Nyanko Daisensou) is a Tower Defence game released by PONOS corporation in 2014, with a 3DS port in 2016. In spite of the Excuse Plot above, the game stars a group of mutant Cats trying to take over the world  a feat accomplished by going over to each country in the world and conquering it, fighting off Doges and a variety of other creatures in a tug-of-war style Tower Defence battle. After amassing enough power, the Cats start to expand their ambitions  from merely taking over the world, to defending it from an Alien invasion, to taking over the universe or time itself...

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Got all that? Good.

Despite the seeming simplicity, The Battle Cats has quite a lot of complexity. There are 9 Normal Cats, the Special Cats, and many, many Rare, Super Rare, and Uber and Legend Rare Cats. There's over 300 Cats to choose from, most of them costing Cat Food, and hundreds upon hundreds of stages to test their strength on.

The game has seen 2 ports made to Nintendo Consoles. The first being on the Nintendo 3DS under the title The Battle Cats POP! and a as-of-now Japan-only Nintendo Switch port titled Together! The Battle Cats.

On April 12, 2017, YD Online and MEMORY, Inc. revealed a trailer for Battle Cats Rangers, an Idle Game spin-off, which was released on April 27th, 2017.

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The troping begins!

Examples from the original The Battle Cats

Examples from The Battle Cats POP!