More quick things to fix: 1) Marine infantry are referred to as "Leatherheads" in the civilopedia entry (every time it mentions the unit other than the title). 2) Not sure if this is an error, but trenchers and amphibious infantry share the same sprite, which can get confusing. In the build queue, trenchers look like riflemen from the normal game, but the sprite when built looks like infantry from the normal game. 3) The game crashed on me in the middle of a turn. Not sure why. Nothing special had happened.