old war game, played around 2007

[iNavy36]

in this game you have to defend stronghold (or strongholds on higher levels) against waves of blue enemy armies and tanks with a dozen of your red soldiers, it is FPS; you start with musket and couple of molotov cocktails and by collecting food and killing enemies around the map you can buy new weapons or landmines
to pass the mission you have to kill enemies' leader, officer, 3 times but in that time they can't take out your stronghold 3 times, which you can repair if it is damaged; usually officer hides in buildings or sewers so that you can find him pretty hard
if I remember good you can find civilians and if you kill them you lose money
and my favourite part was running in an enemy wave with a flamethrower and burning them all

[iNavy36]

and I forgot, played on pc