Adding a Murderer Accomplice:
I think it would be great great idea for the Murderer to be able to have a partner (Accomplice), by adding an item in the Murderer’s inventory, (Like a bandana) and he hit a player with it he will become another Murderer. that said, a kill cooldown should be added for the game, like 30s, so it becomes fair for both sides.
Interesting idea, but people are just gonna give it to their friends, so no
I actually really like this idea. The Accomplice should definitely have a higher kill cooldown than the original murderer… maybe 60 seconds? And give the Murderer and 15 second cooldown too? I feel like that would make it more challenging, but also balance out the game.
Sure, the Murderer will give the Accomplice to their friends, but not always. Or maybe, it is given randomly along with the Sheriff and Murderer roles
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This is a cool idea, but it has some issues. (A), the Murderer would just give it to his/her friends, and (b), what if you hit a Sheriff with the item? That would just remove the Sheriff from the game. Also, this is very, very, VERY, similar to this topic about having two murderers. Yours just has a tiny tiny difference of being able to choose who you want the other murderer to be.
Have a great day! 
As long as it’s a sub gamemode this is a-okay to me
This might make the game too hard, and stop new players from joining.
Maybe the murder could get the bandana at 15 coins, similar to innocents getting the only-use Zapper for 10!