Limit demanded level above level 20 in challenges?!?

Loewe1968 Member Posts: 404 ✭✭✭✭
@TK-421, @Teeceezy, @eetu, @zbot, @C_Lloyd, @Alibaba, …

Why limiting the required level is not canceled on 20 in the challenges? So come early only Level 20 zombies. Who the respective fighters, weapons and money has (for gas), can play almost without limit. Then that has to happen:

Or is the whole thing about NG willed to take as much money on gas?
- Ex-Leader "Breaking Deads" -