Twitch is the copyright owner of all global emotes/badges, and the channel-specific badges belong to the channel they are for, so using them in a Unity game without express permission from the copyright owners would be copyright infringement.
Twitch is the copyright owner of all global emotes/badges, and the channel-specific badges belong to the channel they are for, so using them in a Unity game without express permission from the copyright owners would be copyright infringement.