Nice Try Achievement says "Get 4 'Nice Try's on a level"
There appears to be a bug with this, I got 4 "Nice Trys" on a single level, but I also had gotten Good Job in the middle. No achievement received.
Unit Bank - if you are trying to find it look for a dark gray tab on the left side of the playing area with light gray writing (Unit Bank). Click on it to expand it and buy more slots.
This seems to be a frequently asked question so feel free to vote this up.
There is a bug with one of the final cave quests. if you turn on one of the lamps before you get the quest to do it, when you go back to do the quest the lamp is red but there is no spot on the floor to turn it green.
As a result you cannot finish the quest. Not worth it to start over and there is no way to finish.
There is a a bug in the Danger Alert. Before I set up the trap the slug will come over to the beach (and then just goes back). After I have set the trap when I click on the slug it says that I should get the trap ready first.
Reinbough needs some way to adjust to the number of human players.
Please correct me but it appears to be impossible to beat with just one player + 2AI. Even 3 players it is really tough.