Colin Kahl
banner
colinkahl.bsky.social
Colin Kahl
@colinkahl.bsky.social
Steven C. Házy Senior Fellow at Stanford. Husband. Dad. Music fan. Game lover. Wonk and all-around nerd. Former national security practitioner.
Reposted by Colin Kahl
Dice pools, yahtzee, sacrifices for powers, and a diceless cleric class??

Dragon Slayers has all that and more.

A truly asymmetrical fantasy TTRPG, available now.

gilarpgs.itch.io/dragon-slayers
Dragon Slayers by Gila RPGs
Dragons! Quests! Adventure! Fantasy TTRPG with asymmetrical classes.
gilarpgs.itch.io
November 6, 2025 at 4:51 PM
Reposted by Colin Kahl
🚨 Dragon Slayers is here! 🚨

Go on quests. Get magic items. Slay dragons.

Dragon Slayers is a fantasy TTRPG where every class plays with their own set of rules.

Grab the PDF today, preorder your printed book, and go slay a dragon.

gilarpgs.itch.io/dragon-slayers
November 4, 2025 at 2:59 PM
Reposted by Colin Kahl
I was asked to make this map in a different style than I usually do. Here are some close-up details.

WONDER x WORLDS is a universal tabletop roleplaying engine. You can download it for free at: wonderxworlds.itch.io/wonder-worlds

#b&wart #cartography #ttrpg
October 22, 2025 at 5:34 PM
It’s awesome!
October 23, 2025 at 12:09 AM
Reposted by Colin Kahl
Here's the map I did for @colinkahl.bsky.social's WONDER × WORLDS.

#ttrpg #cartography #indierpg
October 22, 2025 at 5:25 PM
Reposted by Colin Kahl
BIG GAME UPDATE: The Open Beta Playtest Version 2.0 of WONDER × WORLDS is now live and available for FREE download! It features a ton of revisions and refinements based on playtesting. Check it out! wonderxworlds.itch.io/wonder-worlds 1/3
WONDER × WORLDS by wonderxworlds
A Roleplaying Game Engine for Limitless Adventure
wonderxworlds.itch.io
October 17, 2025 at 10:34 PM
Reposted by Colin Kahl
For those new to WONDER × WORLDS, it’s a giant, geeky labor of love 6 years in the making. It’s a universal TTRPG engine, mixing Old School and New School sensibilities, that empowers storytelling in any fantastical world imaginable. And it supports both GM-led and solo play.
BIG GAME UPDATE: The Open Beta Playtest Version 2.0 of WONDER × WORLDS is now live and available for FREE download! It features a ton of revisions and refinements based on playtesting. Check it out! wonderxworlds.itch.io/wonder-worlds 1/3
WONDER × WORLDS by wonderxworlds
A Roleplaying Game Engine for Limitless Adventure
wonderxworlds.itch.io
October 18, 2025 at 5:26 PM
For those new to WONDER × WORLDS, it’s a giant, geeky labor of love 6 years in the making. It’s a universal TTRPG engine, mixing Old School and New School sensibilities, that empowers storytelling in any fantastical world imaginable. And it supports both GM-led and solo play.
BIG GAME UPDATE: The Open Beta Playtest Version 2.0 of WONDER × WORLDS is now live and available for FREE download! It features a ton of revisions and refinements based on playtesting. Check it out! wonderxworlds.itch.io/wonder-worlds 1/3
WONDER × WORLDS by wonderxworlds
A Roleplaying Game Engine for Limitless Adventure
wonderxworlds.itch.io
October 18, 2025 at 5:26 PM
Reposted by Colin Kahl
Check this out, a complete and free game on playtesting. I did an island map for this in a style a bit different of what I'm used to.
BIG GAME UPDATE: The Open Beta Playtest Version 2.0 of WONDER × WORLDS is now live and available for FREE download! It features a ton of revisions and refinements based on playtesting. Check it out! wonderxworlds.itch.io/wonder-worlds 1/3
WONDER × WORLDS by wonderxworlds
A Roleplaying Game Engine for Limitless Adventure
wonderxworlds.itch.io
October 17, 2025 at 10:42 PM
BIG GAME UPDATE: The Open Beta Playtest Version 2.0 of WONDER × WORLDS is now live and available for FREE download! It features a ton of revisions and refinements based on playtesting. Check it out! wonderxworlds.itch.io/wonder-worlds 1/3
WONDER × WORLDS by wonderxworlds
A Roleplaying Game Engine for Limitless Adventure
wonderxworlds.itch.io
October 17, 2025 at 10:34 PM
New devlog posted on WONDER × WORLDS. Leave your suggestions for new Power Moves in the comments! wonderxworlds.itch.io/wonder-world...
Power Moves Wanted!
Hey everyone, If you've played or even just looked over WONDER × WORLDS, I want your input on Power Moves. Based on additional playtesting, I intend to make a few tweaks and additions (stay tuned!)...
wonderxworlds.itch.io
August 23, 2025 at 1:59 AM
One month ago, I released the Open Beta Playtest Version of WONDER × WORLDS: A Roleplaying Game Engine for Limitless Adventure. If you are looking for a cool, universal TTRPG that mixes Old School and New School sensibilities, download it now for FREE! wonderxworlds.itch.io/wonder-worlds
WONDER × WORLDS by wonderxworlds
A Roleplaying Game Engine for Limitless Adventure
wonderxworlds.itch.io
August 15, 2025 at 12:36 AM
Reposted by Colin Kahl
Very cool for @itch.io to feature my new game today! You can download it for FREE. Check it out and let me know what you think!
itch.io itch.io @itch.io · Aug 12
WONDER × WORLDS: A Roleplaying Game Engine for Limitless Adventure

wonderxworlds.itch.io/wonder-worlds
August 12, 2025 at 4:07 PM
Very cool for @itch.io to feature my new game today! You can download it for FREE. Check it out and let me know what you think!
itch.io itch.io @itch.io · Aug 12
WONDER × WORLDS: A Roleplaying Game Engine for Limitless Adventure

wonderxworlds.itch.io/wonder-worlds
August 12, 2025 at 4:07 PM
Reposted by Colin Kahl
WONDER × WORLDS: A Roleplaying Game Engine for Limitless Adventure

wonderxworlds.itch.io/wonder-worlds
August 12, 2025 at 11:39 AM
Reposted by Colin Kahl
itch.io itch.io @itch.io · Aug 12
WONDER × WORLDS: A Roleplaying Game Engine for Limitless Adventure

wonderxworlds.itch.io/wonder-worlds
August 12, 2025 at 12:15 PM
Reposted by Colin Kahl
We're reaching the end of the Dragon Slayers campaign! I would love to hit $15k, so any boosts and support are greatly appreciated!

(also that Dragon Horde tier is still available, just saying)

www.kickstarter.com/projects/the...
Dragon Slayers TTRPG
Heroic fantasy roleplaying using the award winning Slayers system. Time to slay a dragon.
www.kickstarter.com
August 11, 2025 at 2:11 PM
Check out WONDER × WORLDS. One system. Any genre. Infinite possibilities. Both GM-led and solo play fully supported. FREE to download! wonderxworlds.itch.io/wonder-worlds
August 11, 2025 at 3:15 PM
Reposted by Colin Kahl
Hey, hey, hey. We have very very big news. We finally have a new issue on sale right... NOW!

We hope it's not our last but that is up in the air so this really is a case where YOU ARE THE HERO

but also other very cool non WS stuff mentioned! so check it out...
Wyrd Science 7! Back from the Dread
Not going to sugarcoat this, we're here to talk - at length- about our new issue here...
wyrd.science
August 8, 2025 at 3:15 PM
Reposted by Colin Kahl
Coming out of GenCon playtest sessions, I've uploaded an updated version of the WONDER × WORLDS Open Beta rulebook with a handful of clarifications and corrections. You can download it for FREE via my itch page! wonderxworlds.itch.io/wonder-worlds
WONDER × WORLDS by wonderxworlds
A Roleplaying Game Engine for Limitless Adventure
wonderxworlds.itch.io
August 8, 2025 at 2:44 AM
Coming out of GenCon playtest sessions, I've uploaded an updated version of the WONDER × WORLDS Open Beta rulebook with a handful of clarifications and corrections. You can download it for FREE via my itch page! wonderxworlds.itch.io/wonder-worlds
WONDER × WORLDS by wonderxworlds
A Roleplaying Game Engine for Limitless Adventure
wonderxworlds.itch.io
August 8, 2025 at 2:44 AM
We had a fantastic time playtesting my new TTRPG WONDER × WORLDS at GenCon. Across eight sessions with a very diverse set of players, the reception was overwhelmingly positive! Thanks to all!

You can download the game for FREE now! wonderxworlds.itch.io/wonder-worlds
WONDER × WORLDS by wonderxworlds
A Roleplaying Game Engine for Limitless Adventure
wonderxworlds.itch.io
August 3, 2025 at 8:20 PM
Day Three of GenCon. Stop by to playtest WONDER × WORLDS in the First Exposure Playtest Hall! It’s been a blast so far!
GenCon in Indianapolis kicks off today. Stop by the First Exposure Playtest Hall to play my new tabletop roleplaying game engine WONDER × WORLDS. We're doing 8 playtest sessions across 4 days (see times on the flyer below). You can also download the game for FREE! wonderxworlds.itch.io/wonder-worlds
August 2, 2025 at 9:18 AM
Day Two of GenCon. Stop by to playtest WONDER × WORLDS in the First Exposure Playtest Hall!
GenCon in Indianapolis kicks off today. Stop by the First Exposure Playtest Hall to play my new tabletop roleplaying game engine WONDER × WORLDS. We're doing 8 playtest sessions across 4 days (see times on the flyer below). You can also download the game for FREE! wonderxworlds.itch.io/wonder-worlds
August 1, 2025 at 11:08 AM
First session went great! Stop by and join the fun!
July 31, 2025 at 4:39 PM