Boring - no need for any controls at all - just launch, use whiskey and wait - game finished for the badges, but the concept of unskilled launch and upgrade is all over Kongregate with many other much better examples of the genre
Far far too easy - don't need to use your character at all after the first day - just buy turrets + machine guns + rocket launcher on each lift, then replace with laser cannons when have the money - bad guys don't even get 10% into the room
Fairly boring and repetitive - all the trials can be done just with the same set of titans and no basic units at all with the exception of the colossus (which for those struggling just needs goblins, 1 titan like the black dragon or white wolf, and a shed load of ranged units for an easy win). A bit more variety in levels would make the game far more interesting.
The best weapon in the whole game doesn't need a single forge - just grind some iron till you can make 5 iron globes, lob together with a wooden sword, and you have the razor sword - easily kills the end boss and anything in between - i didn't bother with any magic the whole way through - just physical skills
Nice game, as with the other bubble tanks - just way too easy - make a class 3 tank, and just load it with seekers, don't even bother with a normal gun - easy win