Good game, Has potential but lacks of an endless mode. Game is way too short.
1-Add some equipments(such as armors,Helmets, weapons and bullets)
2- Achievements and bestiary to make players spend more time playing
3- Endless mode
4- Different Scenarios like Graveward, Street, Forest.
5- Enemy sounds like laser,fire,flames,screams.
6- More bosses
7- Maybe some secrets as well
8- With more features and options,you can add premmium content(as bonus stuff,not necessary to beat the game), which will help you improve and create other games as well
For those that are having trouble in European Challenge,start conquering france first,trying to go north and joining your ally(also transfer some units to him each turn).Also don't split too much your forces,attack with high army number.Be carefull with 50+ armies coming from italy and Iberian peninsula,If you can defend you will surely win
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