Congratulations! You won in 1722 seconds!
I was trying SO hard to beat Nuclearmoose's time haha, and I just did it. Unlucky Nuclear :)
Some levels were very easy, even towards the end, but some were really rip-your-hair-out frustrating. And then there was the odd few where, after spending ages on it, realising it was in a really obvious place and being really angry with myself for not noticing it. (O'Reilly was a good example of this)
I found his point about not looking in places that draw attention helpful though, so you might want to do that.
However, I think that in Tank Search 2, it'd be good to have a thing telling us how many mouse clicks we made, as well as a pause option. Perhaps an overall score that took both time and mouse clicks into consideration?