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[] Late game (turn 300+) unstability on larger maps since GS patch

Discussion in 'Civ6 - Bug Reports' started by Gedemon, Jul 19, 2019.

  1. Gedemon

    Gedemon Modder Moderator

    Oct 4, 2004
    This is a problem with the game's engine that is exposed by mods, but can not been fixed by mods, similar to the Builder Lag issue.

    I know it doesn't happen in the base game, meaning that I can't expect it to be fixed, but given the number of demands I got from YnAMP's users, I feel that I have to at least report it too, and I suppose Firaxis has some feedback on their side to assess if fixing it for their customers that like larger maps is worth the development time.

    That issue was first introduced in the Summer 2017 Update ( and is even worst since the Gathering Storm Launch Update (


    • At release in 2016 the game's stability on larger maps was extremely impressive compared to civ5, we could play full games on 230x116 maps with all civs and CS without any crashes at all, the only requirement was patience.
    • With the Summer 2017 Update (, 230x116 maps would now crash on launch, but "smaller" big maps at 200x100 were still rock stable full game. Strangely, I got report from Win7 users that they could still play at 230x116 but I could not test that, my two PC are running on win10.
    • With the Gathering Storm Launch Update (, large maps up to 200x100 are still loading, but now the game is very unstable in late game for any map bigger than 128x80 (that's civ5 huge maps), with hard crashes occuring at turns 300+ on all version of the game. For Gathering Storm, a reproducible cause has been identified, the first ocean water rising.

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