Firstly, “learning adventures” are kind of like unit-long games:
https://lawlesslearning.com/free/learningadventures/
Also, my simulations are unit-long games:
https://lawlesslearning.com/simulations/
Here is an amazing simulation made by Nick Adeney:
This is the full booklet that should allow teachers to play this role play simulation.
(c) Nick Adeney