Posted July 06, 2026 by Undermax
As mentioned on the plugin’s itch.io page, the core of this plugin was created taking inspiration from the PS1 game Yu-Gi-Oh! Forbidden Memories. Its purpose is not to be an exact clone, but the idea is to use those mechanics and rules as a foundation, while adding some improvements that I personally believed were necessary.
I am telling you this because you need to understand that a plugin of this size and complexity is very difficult to design in a way that perfectly adapts to every game style and every individual project idea.
Although we try to provide as many customization options as possible, you also need to understand that if you want to create a game exclusively focused on a TCG, then a plugin should ideally be built from scratch specifically for that project, according to its own rules, mechanics, fields, systems, and so on.
Please do not forget that the plugins we offer are intended for multiple users and multiple projects. This means that they are mainly designed to be compatible with as many projects as possible and to remain as flexible as we can make them.
Of course, we understand that many of you are interested in being able to create your own rules, your own fields, and having the entire system work exactly the way you imagine it.
I completely understand that, and I will always try to provide as much customization as possible. However, you also need to understand the amount of effort and work behind all of this.
Something that may appear “simple” to add can cause the entire system to break or interfere with mechanics that were already programmed.
We have many ideas that we would like to add to the plugin, but in order to do so, we need time, support, and understanding.
That is why, even when something sounds simple on paper, like saying, “Let’s just add this feature,” actually implementing it can involve many limitations and complications.
Sometimes those limitations come from the RPG Maker MZ engine itself, and other times they come from the technical difficulty of the feature.
Please do not forget that, as much as we would love to be, we are not a large Japanese company capable of generating millions in revenue and having an entire team working 24 hours a day.
We have to divide our time between:
Living our personal lives and working our real-life jobs, developing new plugins, maintaining older plugins and providing support and updates to users who need them, working together with the GGG team to publish our content on Steam, handling all the configuration and preparation of resources, maintaining our websites, and many other things that, unfortunately, users usually do not see.
That is why we ask for your patience and understanding.
Since 2024, when we began taking this plugin development project more seriously, we have always tried to offer you the best possible experience.
I understand that some users may disagree with some of our actions or decisions, and we apologize if we have not always been able to provide the experience you expected.
However, I promise that we are doing everything we can so that you can enjoy all of our content in the best possible way.
In any case, we have decided not to focus on negative comments or thoughts.
On the contrary, we greatly appreciate those who support us, leave messages of thanks, share suggestions and ideas, and want us to continue growing the community together!
Please do not forget that all of us are real people, and we believe in maintaining relationships based on respect, quality, and professionalism.
Please remember that everything we show in the plugin is always intended for illustrative purposes only and should be replaced with graphics created for your own project.
We do not sell graphics or artwork. We are not an art or design studio. Our focus and our product are the plugin itself.
Because of this, over the next few weeks, we may redesign certain aspects of the marketing materials and store page, using original graphics and native RPG Maker MZ resources.
This is intended to avoid unnecessary and unjustified opinions about matters that are not directly related to our actual product.
We want to repeat this clearly:
The images used here, as well as in our other plugins, are always illustrative. Their only purpose is to help demonstrate the possibilities and functionality of the plugin. It will be your responsibility to create or obtain the appropriate original graphics for your own projects.
We apologize for any confusion or inconvenience this may have caused.
Adding new features and mechanics takes a great deal of time. As we explained earlier, it is not as simple as “adding it and that’s it.”
Whenever we add something major to the plugin, we often also have to add support for that feature to Card Duel Studio. This effectively doubles our development time, since we also need to make sure that existing systems do not stop working. Of course, we want to hear your ideas and suggestions for the plugin.
However, when requesting new features, we ask that you understand that the core of the plugin was developed in a specific way, and changing its behavior is not as simple as turning a switch on or off.
Every change, no matter how small it may seem, can potentially break other systems. Please also remember that we are working within RPG Maker MZ. Our objective is not to sell you a complete “TCG creation engine.” The original purpose of this plugin has always been to allow you to add a new gameplay mechanic to your existing projects.
If your objective is to create an entire TCG project from scratch based completely around your own custom rules, we do not believe RPG Maker MZ is necessarily the ideal engine for that purpose due to several performance limitations. If you still decide to do so, we suggest commissioning a custom system or developing the functionality yourself so that it can perfectly match your specific requirements.
Of course, any features that can be implemented without breaking the plugin’s core systems will absolutely be taken into consideration. At the moment, the plugin is still in its initial launch stage.
Perhaps we should have called it a “Beta” version, since that seems to be very popular nowadays, but please remember that with your support and feedback, we can continue adding new features and improving the system.
Your support also helps motivate us and allows us to understand what you actually need in order to improve your projects ^^
I hope this message has helped answer several of your questions and suggestions.
Of course, I will continue paying attention to your feedback so we can keep improving and refining the plugin!
Once again, thank you for continuing to trust and support us!
Much love to all of you <3
Best regards, Maxi | Undermax Team