The City is the fifth place your duck(s) get to in DuckLife 4. They will learn Jumping, which is the last skill they need. The tournament is held on a cruise boat and there are three ducks that will want to race you; two will give you money and one will give you a ticket to the tournament to get to te final world, the volcano.
The first training here is dodging bricks and jumping on top of them.
The second training is your duck on a pogo stick avoiding holes.
The third training is a timed trampoline exercise where your duck does tricks on a trampoline using the arrow keys.