- Topkapi Palace effect is unclear and say something about "20% chance ti train vassal's unique unit"
- Lascaux paints give a free building in all cities. This building los all his effects, but never go obsolete. But because the wonder goes obsolete, you still lose these buildings.... And because Lascaux Effect replace Rock Art, you have an useless Rock Art building in the bildable list... Better make this wonder not obsolete.
- Myth (Horse) Give +1 science, -1 with writing and -1 with equine domestication, froa total of -1 science....And it requires palace, like in the old time
- A small bug with a viking city name (see picture)