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Gateway To Adventure Trilogy For Old-School Essentials

Created by Appendix N Entertainment

A Trilogy Of Variant and Optional Rules For OSE, Classic D&D and OSRS

Latest Updates from Our Project:

Backerkit and Another Cover Preview
over 2 years ago – Wed, Nov 01, 2023 at 05:32:05 PM

Hey there folks!

First off let's get the biggest current announcement out of the way. In the next couple days some of you will be getting your Backerkit surveys as part of a smoke test. After we get a few of those coming in we will release all of the surveys and get pre-orders going. Additionally, there will be many add ons here if there is something from our catalog you would like to toss into your order.

Remember, while we allowed for single books here to be purchased, these are meant to be a set. If you backed for only the Character Compendium, you will be missing the spells for new classes, as all spells and magic rules are in the Caster's Codex. New combat options (handy for those that want to beef up fighters) are in Contemplations and Combat Conspectus. So, you may wish to add books on.

That said, we are still plugging away at this one. I am awaiting the materials being written by other authors and still plugging away at a few things myself. Part of this is due to these books growing a bit in the writing. You are going to get "a bit" more content in some areas than what we advertised, as new ideas and things I wish I had included from the start hit me as I was writing. So, we are still plugging away. While we work to get to the final stages we will be keeping Backerkit and the preorder page open for everyone that wants to change or add things.

As far as realistic delivery, currently we are thinking that February is the time we should be able to start getting things out, with physical books later Feb/early March, pending printing and the PDFs earlier in February. Sorry this is a bit later, but I'm trying to make these books the best they can be. That said, if we can get "enough" preorders I am hoping to get sewn binding in all three books. It will be all three or nothing, as I want to keep them uniform.

Now that this is out of the way, here is the final cover image, both the cover and virgin art for Character Conspectus by Krystyna Nowek. Enjoy!

As always, thank you for your support!

Ryan Thompson

Appendix N Entertainment

Backerkit Is Coming
over 2 years ago – Tue, Oct 17, 2023 at 01:06:07 PM

Hello all! I just wanted to give you all a quick update that you should be on the lookout for emails from us at Backerkit for reward surveys in the very near future. I am thinking by this weekend. That is all for the moment! More to come soon.

Additionally, we would like to let you know that our new Kickstarter for the Mythos Manual  bringing weird fiction and the Cthulhu Mythos to your OSE fantasy game, is currently on Kickstarter. We have the dated slated for October 2024, to get well ahead of the date, but anticipate fulfillment with be far ahead of that, based upon our current status on the projects we are rolling through now! You can check the project out here:

Mythos Manual Kickstarter

As always, thank you for your support!

Ryan Thompson

Appendix N Entertainment 

2nd Book, A New Name And Cover Art
over 2 years ago – Wed, Oct 04, 2023 at 04:22:32 PM

Hey folks! 

Just wanted to share some art and let you know that the "Combat Conspectus" will now be the Contemplations & Combat Conspectus. Contemplations because this book is now also getting all of the rules options that we have that do not cleanly fit into any of these books. This decesion comes as this book was going to end up shorter than the others, featuring only combat options. We are trying to keep the page counts of each book similar, so this one is now getting the "miscellaneous" rules that don't fit cleaning in the first book, being about "your character" or the third being about magic. So, our other "contemplations", such as alternative experience rules and non-class based skill use will be featured in a chapter in this book. With that out of the way, I give you the cover and virgin cover art by Billy Blue!

As with the previous cover we shared for Caster's Codex, this are is based in the AI generated mock up art, but done to a much higher quality. I hope you all enjoy it.

Thank you!

Ryan Thompson

Appendix N Entertainment





First Cover Pic Is In!
over 2 years ago – Tue, Sep 26, 2023 at 01:25:17 PM

A couple things to update you on. We have the cover image for "Caster's Codex" in hand and haved worked up a cover! Here they are.

Virgin art by Denis McCarthy
Cover Image

Additionally, as a heads up, while we are still working on the books to make them the best we can get out, we intend to launch the backerkit and pre-order page some time mid October.

Thank you all for backing!

Ryan Thompson

Appendix N Entertainment

August Update
over 2 years ago – Mon, Aug 28, 2023 at 08:47:33 AM

Hello Everyone!

This is a quick update to let you know that I have all three cover images on order with our cover artists! These are rough duplicates based upon the AI sample images from the KS campaign. Based on the lead times for these we will be launching Backerkit for you and for pre-orders in early to mid October. Likewise, as I get final art in for the covers, I will share it here!

Additionally, for those that are interested, we have launched the KS for the final book in the Heaven & Hell Trilogy. Like the first two, you are being offered a discount tier for both digital and physical copies! There is just over a week to go on it. You can see the campaign here:

Angelology For Old-School Essentials

Angelology brings celestial beings into OSE and presents a further history that bridges all three books! When all three are brought together you will have a solid history of The War in Heaven, The Fall and Founding of Hell and the War Between Demons and Devils, along with origins and relationships of the Demon Princes/Queens, Archdevils and Archangels through time. Imagine if Orcus had been one of the Angels of Death prior to his rise as Demon Prince of the Undead. What if Asmodeus had been born a half-celestial being and followed Lucifer in the War in Heaven, becoming his ward and eventually the Chief Steward of Hell? What was the relationship between the Archangel Michael as a bringer of Justice and Lucifer as a Tempter Angel before The Fall? What were the Succubus Queens in the early days of the universe when they were celestials? All of this is told in the lore surrounding these classic beings when you have all three books!

As always, than you for your support!

Ryan Thompson

Appendix N Entertainment