4/5! Amazing game, but one glaring flaw... it tells you when you do something right, and therefore the game is trivial. If your uncertain about a section, you can just fill the row/column with Xs and then try every possibility. When you get something right, the number will fade to grey.
If you are having trouble beating a level, play one of the first levels to build up a collection of letters. Remember special letters do not do damage on thier own, so you should try to keep at least half your boiler full of iron letters (high leveled if possible)
If your having trouble with the medium badge try this: 1-76808578-16 Simply make a regular up and down maze and the upgrade as much as you can. I finished with over 7000 pts thanks to the 1.3 multiplier.
Rather simple, but decent. Way to easy - any level I couldn't beat in the first 3 tries I would just turn all lights on and leave them on and win in 3-5 tries.
Music gets annoying, and I only saw 6 facts the whole game; they just repeated.
3/5
Bug Reports:
1) Sometimes I start with 3 men
2) If you receive airbone soldiers at the same time the other side does, sometimes you get too many or too few men on your side
3) If you buy an officer you can't use stuff needing an officer until he stops moving