Issue with a custom map
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- Saron2of47
- Cadet 2nd Year

- Posts: 9
- Joined: Fri Sep 26, 2025 1:34 am
Issue with a custom map
So its been a while since I last played this and checked on here for updates. My last version of the Game for CE Version was the 10 04 2025 one and I downloaded the new 10 30 2025 version. I also got the Newest Non Combat version and have it. My issue is I have a Map that I made a copy of from the Canon Map that I added all the races and some other systems etc. . they worked fine between both the CE Version and the Non one even still works in the newest Non Combat when loaded. But the newest CE version refuses to Open it. Im stumped. I like my map. I want my map. How do I fix this? The orginal copy of saved as a GAL3 and the save of it from version 10 04 2025 I saved of it saved as a GAL. Im not much of a techy or what not so IDK.
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Iceman
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Issue with a custom map
Hi Saron, welcome back!
My guess is the cause might be that in the CE release the resource RawMaterials has been (internally) renamed to Duranium, but not the current dev version (the next dev version has made this change [and others] already but it is not yet available to the public - I'm actually playing it and tweaking it as we speak
).
To fix this try to edit the CE version of the map (with Notepad++ or similar) and replace all instances of RawMaterials with Duranium. If the issue persists, maybe you can post the map here, or PM it to me, and I'll take a look.
My guess is the cause might be that in the CE release the resource RawMaterials has been (internally) renamed to Duranium, but not the current dev version (the next dev version has made this change [and others] already but it is not yet available to the public - I'm actually playing it and tweaking it as we speak
To fix this try to edit the CE version of the map (with Notepad++ or similar) and replace all instances of RawMaterials with Duranium. If the issue persists, maybe you can post the map here, or PM it to me, and I'll take a look.
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Iceman
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Issue with a custom map
If you get me your version of the canon map, I can add it to the Maps folder in the next patch, for everyone to enjoy.Saron2of47 wrote: ↑Thu Apr 30, 2026 10:40 am I have a Map that I made a copy of from the Canon Map that I added all the races and some other systems etc. .
The more maps we have, the better.
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- Saron2of47
- Cadet 2nd Year

- Posts: 9
- Joined: Fri Sep 26, 2025 1:34 am
Issue with a custom map
Thank you for your help. I had to fix it and it loaded. Then got a error and after a long progress I had to adapt/change my Homesystems as I had added more planets and stuff to some of the Minors.. With that be said.. the Systems arent cannon but a bit of a challenge. These work in the SupremacyCE20251030 with update. I f you want one that work with the Non Combat Newest and update let me know. As my old files work with it but not these new ones that I know of as the change from Raw materials to Duranium was a BIG difference.
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Iceman
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Issue with a custom map
Then got a error and after a long progress I had to adapt/change my Homesystems as I had added more planets and stuff to some of the Minors..
The only issue (meaning, requiring editing the map) should be when adding new civs.
What exactly do you mean by this? I don't follow.With that be said.. the Systems arent cannon but a bit of a challenge.
If the only difference is the RawMaterials -> Duranium change, I can do that.These work in the SupremacyCE20251030 with update. I f you want one that work with the Non Combat Newest and update let me know.
Hmm, not really, the only problem is that it breaks savegames, and maps. That's why the change was not made way way back.As my old files work with it but not these new ones that I know of as the change from Raw materials to Duranium was a BIG difference.
I've made a few more savegame breaking changes in the new version, which will be released once all those changes are complete and tested.
If by BIG you mean the amount of spots where those words need to be changed, Replace All is your friend
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Iceman
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Re: Issue with a custom map
I checked your map, and the HomeSystems file is not actually needed to load it.
You've duplicated the <Planets> tags for the Algolians (lines 956 and 960):
There's also an issue with the energy bonus in Breen, changed it to:
And in Tholia too.
Also, you misspelled Arctic, there's a bunch of planets with the Artic (missing c) type.
I'm fixing the formatting and checking the changes. Some of them we can discuss if you wish, so I've split this discussion into a new topic so that we can keep it more focused.
You sure love those Oceanic planets
They do make the colony require less Food PFs, and they make it easier to get the minor to align with you (through terraforming) - which can be seen as both pros and cons.
To notice that some homesystems are rather "poor" on purpose, for balance reasons, to account for the the minor civ having some/many powerful buildings and/or ships.
Re the map itself,
You've packed all the minor civs (148) in a 72x72 galaxy! There's no room for colonization/expansion.
You can change the size of the map BTW, up to 255x255.
Here's the fixed HomeSystems file.
You've duplicated the <Planets> tags for the Algolians (lines 956 and 960):
Code: Select all
<Planets>
<Planets>
<Planet Name="Algol Prime" Type="Desert" Size="Large" />
<Planet Type="Jungle" Size="Large" />
<Planet Type="Asteroids" Size="Asteroids" />
</Planets>
</Planets>Code: Select all
<Planet Name="Breen" Type="Arctic" Size="Large">
<Bonus Type="Energy" />
</Planet>Also, you misspelled Arctic, there's a bunch of planets with the Artic (missing c) type.
I'm fixing the formatting and checking the changes. Some of them we can discuss if you wish, so I've split this discussion into a new topic so that we can keep it more focused.
You sure love those Oceanic planets
To notice that some homesystems are rather "poor" on purpose, for balance reasons, to account for the the minor civ having some/many powerful buildings and/or ships.
Re the map itself,
You can change the size of the map BTW, up to 255x255.
Here's the fixed HomeSystems file.
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Visit the Supremacy official site for game related stuff.
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- Saron2of47
- Cadet 2nd Year

- Posts: 9
- Joined: Fri Sep 26, 2025 1:34 am
Re: Issue with a custom map
I'm new to the editing on it and a lot of times I have done it between trying to multitask. Also I dont and didnt know you could expand the map bigger. Yes, they are close and I didn't know how at the time of making a map bigger. The Map is a challenge to Colonize being so close. If someone has time to expand them out so there still near where I want but not Close Close, please and let me know. Thank you for your insights. How to you get rid of the First Contact and Treaty of Affiliation showing all they explored automatically and Races they've encountered.
Last edited by Saron2of47 on Fri May 01, 2026 10:16 am, edited 1 time in total.
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Iceman
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Re: Issue with a custom map
Saron2of47 wrote: ↑Fri May 01, 2026 10:05 am Im new to the editing on it and a lot of times I have done it between trying to multitask. Also I dont and didnt know you could expand the map bigger. Thank you for your insights.
Fixed a couple more smallish formatting issues.
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Visit the Supremacy official site for game related stuff.
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- Saron2of47
- Cadet 2nd Year

- Posts: 9
- Joined: Fri Sep 26, 2025 1:34 am
Re: Issue with a custom map
Is there a way to disable this automatic First Contact with every race through Treaties stuff?
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Iceman
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Re: Issue with a custom map
You can't get rid of it. It makes sense that they share that info with you, no?Saron2of47 wrote: ↑Fri May 01, 2026 10:05 am How to you get rid of the First Contact and Treaty of Affiliation showing all they explored automatically and Races they've encountered.
I guess the problem you're having with it is the fact that all minors are jammed into a 72x72 map, like mentioned earlier.
I'm guessing you're playing a high tech start, to get an Affiliation treaty with probably the Vulcans so early that you have not explored the vicinity yourself?
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Iceman
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Re: Issue with a custom map
I once started making a 100x100 version of the canon map - well, based on one of the versions of the canon map anyway - but didn't get very far. Placed all 6 majors and 24 minors (all the Gamma Quadrant ones) and not much else. Maybe someday I'll go back to it, when I get the time.
I'll probably need to cheat a bit and move Romulus and Qo'noS farther away from Sol, for balance reasons.
I'll probably need to cheat a bit and move Romulus and Qo'noS farther away from Sol, for balance reasons.
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Visit the Supremacy official site for game related stuff.
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