awesome, but fatal flaws
It's a great defensive line game, but there are 2 things i would want to fix.
1st and foremost.. the music... HOLY FUCKING SHIT! WHAT ARE YOU THINKING? It sounds like some of the horrid stuff they used to play in church (thank science that's over!).
I know you can mute it, but then the SFX go away, which ruins it.
2nd. WWII is not the best setting for this type of game. Judging by the gameplay mechanism, this would be great with a WWI theme instead. Maybe with trench lines that the enemy advances across and take cover at to make it more difficult. It also would be more realistic since this game pretty much depicts the actual strategy of WWII
If I were you, I would go back and slightly change a few things in the enemy troop advancement, weapons, and setting to fit WWI (along with mission progression). And add better music, more of an ambient track that doesn't get annoying after prolonged playing. PM me and I can make something better 4 you.