@EndyDune - pusz to the right relatively fast. One you connect to that forest, use one spearman to take the grey city on the left. When you do that you are safe. Utilize the forests to take towns and split territories.
Easily one of the best games on Kong, even pre "idle-cashgrab" era. Love the different ways the mechanics can be used and the fact that it keeps getting maps. A gift the keeps on giving.
For the easy badge, you need to get the 100 pennies in one run. Which means you need a lot of upgrade to survive to around minute 15. (Or extreme luck to get kettles from the bins...)
You can level up not only your heroes, but also your cards. Also, as the player's level increases, the power of each of your heroes increases.