1. I pointed my mouse to the second last science level, see there are two things that need to be addressed: see the supercomputer upgrade below in classical age:
---Refinery cannot be built in classial age cos there's no oil, but the descrption still has it on
---According to what it says there, there are no new technologies that can be researched (the game designer and the help writer must be two people who had not communicated well enough). The game designer must have thought that since many non-library tech upgrades are based on science levels, not based on ages, university upgrades are still available to research even the supercomputers in classical age. The help writer must have thought new techs and upgrades can only be researched when in the Age that goes in the same column as the science level in standard setting. Therefore, such conflicts exist in non-standard setting.