みんなで にゃんこ大戦争 (lit.Battle Cats with Everyone) was the PC Browser version of Battle Cats. Developed by PONOS and BattleShip, it was announced around the time the game hit 30 million downloads worldwide. As of January 31st, 2019, support for the game has stopped and it is no longer available to play.
There are 3 new features:
Player vs. Player 「タイマン機能」: The player creates line ups to compete with other players, any navigation can be done with mouse and keyboard. There are also special events in these battle that the player can receive decorations upon competing.
Cat Base Decoration 「キモデコ機能」 all the furniture collected from battle, missions and competitions are used to decorate the Cat Base. Advanced decorations are available depend on the player's level on an event. The Base is viewable to everyone.
The player can receive the Kinkakuji as decoration if they enter uber rank in Kyoto Edition of local Tournament.
Co-op with other players to collect Cats 「にゃんとも機能」: The player can set supplies 「お供えもの」 on the altar of other players's Cat Base to attract/gather Cats . Depend on the number and type of Cats gathered, various furniture and items are available.
Other features that can't be implemented on the mobile version will appear in this browser version.
Each Uber Rare Cat has a specific attribute: Rock - Paper - Scissor, they are supposed to add more option for the Versus Mode.
The pre-registration campaign started from July 21st, 2017 (14:00) at Yahoo!mobage. According to the number of pre-registrators, players will receive many rewards including a new and original cat, Bun Bun Monger Prototype. Players who are playing the mobile versions can also receive rewards in that version.