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Venice Unleashed for BF3 has bots
(hexbear.net)
Running a lan server to play with the folks i live with and running the bot mod is the most fun i've had in battlefield in ages. The bots are super efficient and are like a zerg swarm
The bot mod is called fun-bots https://github.com/Joe91/fun-bots I took the latest from master branch. I'd recommend conquest modes, had an issue with rush where the attacking team bots keep spawning off the map as the game progresses.
Lemme know of you need any help with setup