Today, an official modding FAQ for C&C Remastered Collection has been published at the official site. Considering EA's long time history of deleting official site content after some time, we will be replicating its contents below:
Quote:
Command & Conquer™ Remastered Collection Modding FAQ
Your modding questions answered.
Want to take your game even farther? Find out what you need to know about creating and using mods when The Command & Conquer Remastered Collection launches June 5, 2020, on Origin and Steam.
EA does not pre-screen, endorse, or specifically support any C&C mod. Please use mods with caution and understand there may be a risk. EA reserves the right to address any inappropriate use of our C&C content.
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Will modders be able to access the source code?
Yes. Electronic Arts will release TiberianDawn.dll and RedAlert.dll and their corresponding source code under the GPL v3.0 license.
How do I use mods on Origin?
If you’ll be playing the Command & Conquer Remastered Collection via Origin you’ll need to save your mods to the associated game’s Mod folder. We’ll aim to provide more specific details on these folders prior to launch. Once you’re in the game, navigate to the Options / Mods screen, where you can then activate the mods.
How do I use mods on Steam?
If you’ll be playing the Command & Conquer Remastered Collection via Steam, you can subscribe to mods directly from the Steam Workshop by visiting the Remastered Collection’s Community Hub within Steam, or tapping on the Steam Workshop button from the in-game Options / Mods screen. Alternatively, you can save mods directly to the associated game’s Mod folder. We’ll aim to provide more specific details on these folders prior to launch. Once you’re in the game navigate to the Options / Mods screen, where you can then activate the mods.
What game elements can be modded?
Maps, custom units, replacing art, gameplay logic, and data can be modified.
What game modes will support mods?
Mods will only work in single player Skirmish and single player Custom Missions.
Will existing mods work with the Remastered Collection?
Each mod is built differently, but it’s likely that existing mods will need to be adjusted by their creators to work with the changes made in the Remastered Collection. It’s possible some mods may need to be rebuilt entirely in order to work.
Will there be a charge for using mods?
No, as long as the mod’s creator allows them to be downloaded for free.
Your modding questions answered.
Want to take your game even farther? Find out what you need to know about creating and using mods when The Command & Conquer Remastered Collection launches June 5, 2020, on Origin and Steam.
EA does not pre-screen, endorse, or specifically support any C&C mod. Please use mods with caution and understand there may be a risk. EA reserves the right to address any inappropriate use of our C&C content.
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Will modders be able to access the source code?
Yes. Electronic Arts will release TiberianDawn.dll and RedAlert.dll and their corresponding source code under the GPL v3.0 license.
How do I use mods on Origin?
If you’ll be playing the Command & Conquer Remastered Collection via Origin you’ll need to save your mods to the associated game’s Mod folder. We’ll aim to provide more specific details on these folders prior to launch. Once you’re in the game, navigate to the Options / Mods screen, where you can then activate the mods.
How do I use mods on Steam?
If you’ll be playing the Command & Conquer Remastered Collection via Steam, you can subscribe to mods directly from the Steam Workshop by visiting the Remastered Collection’s Community Hub within Steam, or tapping on the Steam Workshop button from the in-game Options / Mods screen. Alternatively, you can save mods directly to the associated game’s Mod folder. We’ll aim to provide more specific details on these folders prior to launch. Once you’re in the game navigate to the Options / Mods screen, where you can then activate the mods.
What game elements can be modded?
Maps, custom units, replacing art, gameplay logic, and data can be modified.
What game modes will support mods?
Mods will only work in single player Skirmish and single player Custom Missions.
Will existing mods work with the Remastered Collection?
Each mod is built differently, but it’s likely that existing mods will need to be adjusted by their creators to work with the changes made in the Remastered Collection. It’s possible some mods may need to be rebuilt entirely in order to work.
Will there be a charge for using mods?
No, as long as the mod’s creator allows them to be downloaded for free.