1st: under certain circumstances, enemies will simply walk right over your barricades.
2nd: after the first few rounds of each level, the cost of repairing doesn't show up on your tooltip anymore.
3rd: the Puckle gun is overpowered and/or underpriced.
4th: you sometimes get achievements you haven't earned for no reason (in my case, the French cannon achievements).
5th: only the first few rounds of each level are hard. Once you get a decent fort built up, the last half of the level is no challenge at all.
Lastly: all that said, this is a game concept that needed to be explored and I hope to see this game improved, expanded, or followed up in the future.
This game is great, but very short. Though that's better than many other games which are not as atmospheric and well thought out but take forever and are wholly addicting.
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