#CORE20RPG
Running a #CORE20RPG campaign? Got a party of heroes all dressed up with nowhere to go? Then check out the first of an eventual bunch of free starter adventures for the CORE20 playtest:

tinyurl.com/CORE20Playtest

1/
January 12, 2024 at 7:25 PM
More than just a preview, the playtest package for the #CORE20RPG includes the full “Playtest Player’s Guide” and “Playtest Magic Grimoire” — the entirety of the player-and-GM-facing rules of the game — plus a 180-strong creature package and guidelines for GMs.

2/
February 21, 2025 at 7:56 PM
The #CORE20RPG is a new approach to d20 fantasy, built on a foundation of freeform characters with no classes and no levels. It turns the aging “pass/fail” core d20 mechanic into fuel for shared storytelling — and you can play for free right now!

core20rpg.blogspot.com/p/the-core20...

1/
November 3, 2025 at 10:59 PM
More than just a preview, the playtest package for the #CORE20RPG includes the full “Playtest Player’s Guide” and “Playtest Magic Grimoire” — the entirety of the player-and-GM-facing rules of the game — plus a 180-strong creature package and guidelines for GMs.

2/
March 10, 2025 at 8:13 PM
The #CORE20RPG is a new approach to d20 fantasy, built on a foundation of freeform characters with no classes and no levels. It turns the aging “pass/fail” core d20 mechanic into fuel for shared storytelling — and you can play for free right now!

core20rpg.wordpress.com/the-core20-p...

1/
May 21, 2024 at 6:26 PM
I had a great conversation last night with @mildrathemonk.bsky.social about the #CORE20RPG and a great many other topics. Check it out!
YouTube
Share your videos with friends, family, and the world
www.youtube.com
September 20, 2024 at 11:52 PM
Way more than just a preview, the playtest package for the #CORE20RPG includes the full “Playtest Player’s Guide” and “Playtest Magic Grimoire” — the entirety of the player-and-GM-facing rules of the game — plus a 180-strong creature package and guidelines for GMs.

2/
August 4, 2025 at 10:09 PM
Direct link to the “Spells” preview, bypassing the design blog:

https://drive.google.com/file/d/1cWlW_COV_yevbhi2HeYMITyznv51QCHs/view?usp=sharing

#CORE20RPG

2/2
Chapter 1 Excerpt (Magic Grimoire) — Selected Spells Preview.pdf
drive.google.com
August 10, 2023 at 5:08 PM
The #CORE20RPG is a new approach to d20 fantasy, built on a foundation of freeform characters with no classes and no levels. It turns the aging “pass/fail” core d20 mechanic into fuel for shared storytelling — and you can play for free right now!

core20rpg.wordpress.com/the-core20-p...

1/
October 8, 2024 at 4:58 PM
The Player’s Guide and the Magic Grimoire for the #CORE20RPG — all the rules for this new take on d20 fantasy — are free to download right now.

Everything GMs need to run games — monsters and a bit of campaign guidance — drops next week. Enjoy!

1/
Game On
Today’s preview of the CORE20 RPG is a big one! Because it’s… well, most of the CORE20 RPG! The full versions of the CORE20 Player’s Guide and the CORE20 Magic Grimoire are available for downl...
core20rpg.wordpress.com
December 22, 2023 at 8:57 PM
A new #CORE20RPG design diary! When your spellcasting character focuses on the subtle magic of divination but still has the urge to punch monsters in the face, new spells for the CORE20 playtest have you covered!

core20rpg.blogspot.com/2025/07/divi...
Divination With a Kick
A thing that’s been pretty common over the ten-plus years that CORE20 has been slouching its way from house rules to alpha playtest to prope...
core20rpg.blogspot.com
July 22, 2025 at 8:54 PM
Here's the Top 10 Trending Words over the Past 10 Minutes:
1st - おはよう
2nd - 土曜日
3rd - 晴れ
4th - lunar
5th - bundesrat
6th - alabama
7th - 詳細
8th - 天気
9th - src
10th - twitfukuoka
(tap/click to see all posts with that word!)

#ListenToBlackVoices
February 23, 2024 at 10:21 PM
If you’re checking out the #CORE20RPG, don’t be shy about stopping by our Discord to ask questions, get updates, and talk about the game:

core20rpg.wordpress.com/2024/01/16/a...

1/
January 18, 2024 at 5:33 PM
Way more than just a preview, the playtest package for the #CORE20RPG includes the full “Playtest Player’s Guide” and “Playtest Magic Grimoire” — the entirety of the player-and-GM-facing rules of the game — plus a 180-strong creature package and guidelines for GMs.
2/
June 27, 2024 at 10:12 PM
The #CORE20RPG is a new approach to d20 fantasy, built on a foundation of freeform characters with no classes and no levels. It turns the aging “pass/fail” core d20 mechanic into fuel for shared storytelling — and you can play it right now!

core20rpg.wordpress.com/the-core20-p...

1/
March 11, 2024 at 4:51 PM
The #CORE20RPG is a new approach to d20 fantasy, built on a foundation of freeform characters with no classes and no levels. It turns the aging “pass/fail” core d20 mechanic into fuel for shared storytelling — and you can download it right now!

core20rpg.wordpress.com/the-core20-p...

1/
June 12, 2024 at 3:59 PM
Here's the Top 10 Trending Words over the Past 10 Minutes:
1st - gaza
2nd - avond
3rd - ye
4th - suggested
5th - polyamory
6th - journalism
7th - immunity
8th - 943
9th - zeichen
10th - wirkt
(tap/click to see all posts with that word!)

#FreePalestine 🇵🇸
January 18, 2024 at 5:40 PM
Click on the link above to go to the design blog, or click here to go straight to the downloadable preview.

drive.google.com/file/d/1IQsi...

#CORE20RPG

2/2
Chapter 8 (Player's Guide) and Chapter 2 (Magic Grimoire) Excerpts — Magic Item Crafting.pdf
drive.google.com
November 30, 2023 at 4:04 PM
Direct link to the “World of Isheridar” preview, bypassing the design blog:

#CORE20RPG

2/2
Chapter 7 Excerpt (Player's Guide) — The World of Isheridar.pdf
drive.google.com
September 13, 2023 at 4:47 PM
Here's the Top 10 Trending Words over the Past 10 Minutes:
️⚠️🌀1 - bauern
2nd - johns
3rd - plagiarism
4th - glynis
5th - epstein
6th - vulcan
7th - poppins
8th - finland
9th - burritos
10th - burrito
(tap or click a word to see all posts with that word!)

#ListenToBlackVoices #йобанарусня 🇺🇦
January 4, 2024 at 9:20 PM
Direct link to the “Spellcasting” preview, bypassing the design blog:

https://drive.google.com/file/d/1t43Fx4GG_AgmdD-_BtPAithvF8nus3QS/view

#CORE20RPG

2/2
August 2, 2023 at 6:07 PM
November 11, 2023 at 9:40 PM
Just updated to v1.1 based on a bunch of player feedback, the playtest package for the #CORE20RPG includes the full “Playtest Player’s Guide” and “Playtest Magic Grimoire” — the entirety of the player-and-GM-facing rules of the game — plus a 180-strong creature package and guidelines for GMs.

2/
September 12, 2025 at 7:48 PM
The #CORE20RPG is a new approach to d20 fantasy, built on a foundation of freeform characters with no classes and no levels. It turns the aging “pass/fail” core d20 mechanic into fuel for shared storytelling — and you can play for free right now!

core20rpg.blogspot.com/p/the-core20...

1/
August 4, 2025 at 10:09 PM
The #CORE20RPG is a new approach to d20 fantasy, built on a foundation of freeform character building with no classes and no levels. It turns the aging “pass/fail” core d20 mechanic into fuel for shared storytelling — and you can play the game right now!

core20rpg.wordpress.com/the-core20-p...

/2
April 18, 2024 at 6:01 PM