Here's a video where I beat undead siege on hard mode without any weapons. Only thing I used was some lethals in day one to accumulate some currency somewhat. Got carried in terms of damage, but killed it in the repair department.
TheJimboy currently has 169 views spread across 48 videos for Call of Duty: Mobile. His channel currently has around 3 hours worth of content for Call of Duty: Mobile, making up less than 0.63% of the total overall content on TheJimboy's YouTube channel.