Board Thread:General Discussion/@comment-28080472-20160409222937/@comment-28080472-20160410192246

Ah, thanks. (It's a bit confusing that the game clarifies they disappear at end-of-round, but it's non-intuitive that metal spikes should otherwise expire.   ...And now that I think on it: if they have an expiration-time, then they don't really need to disappear at end-of-round.)