The big list of TTRPG Jams

Never want to miss a cool TTRPG Jam ? Or you just want to discover all thoses incredible jams already published on itchio ? Simply follow this post, I will keep track of them.
Please feel free to share your own jam in comments if I miss it.

***** 2020 Game Jams *****

Epilogue Jam
01/09/2020 - 01/10/2020 https://itch.io/jam/epilogue-jam

TTRPG Resource Jam
01/09/2020 - 01/10/2020 https://itch.io/jam/ttrpg-resource-jam

A Game By Its Cover 2020
01/09/2020 - 30/09/2020 https://itch.io/jam/a-game-by-its-cover-2020

.dungeon class jam!
01/09/2020 - 03/10/2020 https://itch.io/jam/dungeon-class-jam

Fantasy Realism Jam
24/08/2020 - 30/09/2020 https://itch.io/jam/fantasy-realism-jam

CryptJam
18/08/2020 - 18/09/2020 https://itch.io/jam/cryptjam

5-MIN-GAMES
18/08/2020 - 22/09/2020 https://itch.io/jam/5-min-jam

FAE Jam 2020
15/08/2020 - 23/09/2020 https://itch.io/jam/fae-jam-2020

We Are All Love Blaseball

08/08/2020 - 14/09/2020 https://itch.io/jam/blaseball-

Turn Based Tactics Jam

01/09/2020 - 30/09/2020 https://itch.io/jam/turn-based-tactics-jam

Adventure Gamebook Jam
01/07/2020 - 01/09/2020 https://itch.io/jam/adventure-gamebook-jam

Witch Jam
01/08/2020 - 01/09/2020 https://itch.io/jam/witch-jam

Monthly Micro Jam: August 2020
01/08/2020 - 01/09/2020 https://itch.io/jam/monthly-micro-jam-august-2020

Parliamentary Procedure Jam
21/07/2020 - 31/08/2020 https://itch.io/jam/parliamentary-procedure-jam

HexDrive Zine Jam
01/07/2020 - 31/08/2020 https://itch.io/jam/hexdrive-zine-jam

Goths vs Goths Jam #1
01/08/2020 - 31/08/2020 https://itch.io/jam/goths-vs-goths-jam-1

Wika Jam
21/06/2020 - 30/08/2020 https://itch.io/jam/wika-jam

Rainbow Jam 2020
15/08/2020 - 31/08/2020 https://itch.io/jam/rainbowjam20

d66 Game Design Tracks Jam
31/07/2020 - 31/10/2020 https://itch.io/jam/d66-game-design-tracks-jam

Trophy Trifolds!
08/08/2020 - 31/08/2020 https://itch.io/jam/trophy-trifolds

Fucked Up Guy Jam
22/06/2020 - 31/07/2020 https://itch.io/jam/fucked-up-guy-jam

Unearthed Expansions
30/06/2020 - 11/08/2020 https://itch.io/jam/unearthed-expansions

Bring It To The Table 2020
15/06/2020 - 16/08/2020 https://itch.io/jam/bring-it-to-the-table-2020

Keep on the Borderjam
07/07/2020 - 07/09/2020 https://itch.io/jam/keep-on-the-borderjam

One-Page RPG Jam 2020
27/07/2020 - 31/08/2020 https://itch.io/jam/one-page-rpg-jam-2020

What Is So Cool About Jam
09/07/2020 - 08/09/2020 https://itch.io/jam/what-is-so-cool-about-jam

Bookmark Game Jam
01/07/2020 - 30/08/2020 https://itch.io/jam/bookmark-game-jam

Folklore Jam 2020
01/08/2020 - 31/08/2020 https://itch.io/jam/folklorejam2020

Electric Bastion Jam
10/07/2020 - 14/08/2020 https://itch.io/jam/eclectic-bastion-jam

Attack and Dethrone God Jam
09/06/2020 - 09/08/2020 https://itch.io/jam/dethrone-god-jam

Index Card Game Jam
13/06/2020 - 13/07/2020 https://itch.io/jam/index-card-game-jam

Solo Dungeon Tabletop RPG Jam
14/06/2020 - 28/06/2020 https://itch.io/jam/solo-dungeon-tabletop-rpg-jam

Hex Jam
16/06/2020 - 13/07/2020 https://itch.io/jam/hexjam

Jam Brocoli
07/06/2020 - 15/07/2020 https://itch.io/jam/jam-brocoli

AccessJam 2020
20/05/2020 - 21/06/2020 https://itch.io/jam/accessjam2020

If on a summer’s night a game designer...
20/06/2020 - 22/09/2020 https://itch.io/jam/calvino2020

Trans Strength Jam
10/06/2020 - 14/08/2020 https://itch.io/jam/trans-strength-jam

Cthulhu Dark Italia Jam 2020
31/05/2020 - 22/06/2020 https://itch.io/jam/cthulhudarkitaliajam2020

The Power of Glowering Towers Jam 2020
28/05/2020 - 18/06/2020 https://itch.io/jam/tower-jam-2020

Attack and Dethrone God Jam
02/06/2020 - 09/08/2020 https://itch.io/jam/dethrone-god-jam

Otherships Jam 2
1/06/2020 - 1/07/2020 https://itch.io/jam/otherships-jam-2

The One Scene Jam
16/05/2020 - 30/06/2020 https://itch.io/jam/the-one-scene-jam

Wretched & Alone Jam
15/05/2020 - 13/06/2020 https://itch.io/jam/wretched-jam

Starter Village Jam!
15/04/2020 - 15/05/2020 https://itch.io/jam/starter-village-jam

Mixed Feelings Jam
01/05/2020 - 01/06/2020 https://itch.io/jam/mixed-feelings-jam

Step up for the Postal Service
17/04/2020 - 15/05/2020 https://itch.io/jam/postal-service

Wholesome RPG Jam!
01/05/2020 - 31/05/2020 https://itch.io/jam/wholesome-rpg-jam

Troika! Pamphlet Adventure Jam
11/05/2020 - 15/06/2020 https://itch.io/jam/troika-pamphlet-adventure-jam

6e Game Jam
02/05/2020 – 31/05/2020 https://itch.io/jam/6e

BadTTRPGs Jam 2: The Game Ideas Are Still Bad
01/05/2020 - 01/06/2020 https://itch.io/jam/badttrpgs-2-the-game-ideas-are-still-bad

La Sainte-Jam Baptiste
01/06/2020 – 24/06/2020 https://itch.io/jam/sainte-jam-baptiste

Beyond The Super Jam
07/03/2020 – 24/05/2020 https://itch.io/jam/beyond-the-super-jam

Mapemounde Jam 2020
08/05/2020 – 18/05/2020 https://itch.io/jam/mapemounde2020

Il était une fois un petit jeu de rôle
11/04/2020 – 26/04/2020 https://www.facebook.com/iletaitunefoisunpetitjeuderole/

Amor Ex Machina Jam
15/02/2020 – 30/04/2020 https://itch.io/jam/amor-ex-machina

Burn your Cosmo
01/05/2020 – 01/06/2020 https://itch.io/jam/cosmos

Donjons & Cacanalisations
01/04/2020 – 30/04/2020 https://itch.io/jam/donjons-cacanalisation

Jam de la Cyber Convention 1.0
25/03/2020 – 10/04/2020 https://itch.io/jam/jam-cyber-convention-1

COVID CO-OP Analogue Game Jam
14/03/2020 – 26/03/2020 https://itch.io/jam/covid-analogue-jam

Asian Martial Arts by Asian Creators Game Jam
29/02/2020 – 29/04/2020 https://itch.io/jam/asian-martial-arts-by-asian-creators-game-jam

Decameron Jam
25/02/2020 – 05/03/2020 https://itch.io/jam/decameron-jam

Poetry Jam
01/02/2020 – 01/03/2020 https://itch.io/jam/poetry-jam-february-2020

Chicken Jam
08/02/2020 – 01/04/2020 https://itch.io/jam/chicken-jam

One Hour Game Jam
21/01/2020 – 11/02/2020 https://itch.io/jam/one-hour-game-jam

What do i even use these dice for jam
19/01/2020 – 29/02/2020 https://itch.io/jam/what-do-i-even-use-these-dice-for-jam

Troika Tarot Jam
01/03/2020 – 31/03/2020 https://itch.io/jam/troika-tarot-jam

Fridge Jam
24/01/2020 – 03/02/2020 https://itch.io/jam/fridge-rpgs

Faction Jam
16/01/2020 – 31/01/2020 https://itch.io/jam/faction-jam

Goblin week
19/01/2020 – 25/01/2020 https://itch.io/jam/goblinweek

Record Collection 2k20
01/01/2020 – 31/01/2020 https://itch.io/jam/record-collection-2k20

Tabletop Collaboration Jam
01/02/2020 – 01/03/2020 https://itch.io/jam/tabletop-collaboration-jam

The D2020 Game Jam!
01/01/2020 – 19/02/2019 https://itch.io/jam/d2020

Gaming Like It’s 1924
01/01/2020 – 01/02/2020 https://itch.io/jam/gaming-like-its-1924

Just the Two of Us Jam
01/01/2020 – 02/02/2020 https://itch.io/jam/just-the-two-of-us-jam

Ace Jam
01/01/2020 - 01/02/2020 https://itch.io/jam/ace-jam-2020

Impossible Future
01/01/2020 – 01/01/2021 https://itch.io/jam/impossible-future

Reclaim Monopoly Jam
23/12/2019 – 23/01/2019 https://itch.io/jam/reclaim-monopoly-jam

Fraudulent Gays Game Jam
19/12/0219 – 15/02/2020 https://itch.io/jam/fraudulent-gays-game-jam

Stories of Storyplay Jam
05/12/2019 – 05/01/2020 https://itch.io/jam/stories-of-storyplay

Pleasant Dream Jam
30/11/2019 – 31/01/2019 https://itch.io/jam/pleasant-dream-jam

Hamlet Jam
17/11/2019 – 31/01/2020 https://itch.io/jam/hamlet-jam

***** 2019 Game Jams *****

Record Collection 2k19
01/01/2019 to 16/01/2019 https://itch.io/jam/recordcollection2k19

Emotional Mecha Jam
29/01/2019 to 13/02/2019 https://itch.io/jam/sad-mecha-game-jam

Traverser l’hiver
01/02/2019 to 01/03/2019 http://troplongpaslu.fr/traverser-lhiver-enfin-disponible

March of the Wizards 2k19!
01/03/2019 to 15/03/2019 https://itch.io/jam/march-of-the-wizards-2k19

Belonging outside belonging jam
30/03/2019 to 22/04/2019 https://itch.io/jam/belonging-outside-belonging-jam

Me, Myself, And My RPG Game Jam
01/04/2019 to 26/04/2019 https://itch.io/jam/me-myself-and-my-rpg-game-jam

Pamphlet Dungeon Jam 
01/04/2019 to 11/05/2019 https://itch.io/jam/pamphletjam

Big Bad Game Jam 2019
13/04/2019 to 01/06/2019 https://itch.io/jam/big-bad-game-jam

BREATHTAKING: « Redesign Your Logo »
15/04/2019 to 25/05/2019 https://itch.io/jam/redesign-your-logo

Folklore Jam
19/04/2019 to 21/05/2019 https://itch.io/jam/folklorejam

Dog Jam 2k19
20/04/2019 to 20/05/2019 https://itch.io/jam/dogjam2k19

Growing Season
28/04/2019 to 13/10/2019 https://itch.io/jam/growing-season

Otherships Jam
02/05/2019 to 01/06/2019 https://itch.io/jam/otherships-jam

Never Alone Jam
21/05/2019 to 09/07/2019 https://itch.io/jam/never-alone-jam

Roll Camera
31/05/2019 to 03/06/2019 https://itch.io/jam/roll-camera

Pride Month: Tabletop Gaymes
01/06/2019 to 22/06/2019 https://itch.io/jam/pride

Legacy Jam
01/06/2019 to 22/06/2019 https://itch.io/jam/legacy-jam

Worldbuilding Jam
01/06/2019 to 08/07/2019 https://itch.io/jam/worldbuilding

Jollyboat Jam 2k19
10/06/2019 to 01/07/2019 https://itch.io/jam/jollyboat-jam-2k19-tabletop

Libre Baskerville Jam
19/06/2019 to 16/08/2019 https://itch.io/jam/libre-baskerville-jam

Couch Dungeon Jam
21/06/2019 to 21/07/2019 https://itch.io/jam/couch-dungeon-jam

Hot Horror Jam
26/06/2019 to 31/08/2019 https://itch.io/jam/hothorrorjam

DREAMJAM
01/07/2019 to 07/08/2019 https://itch.io/jam/dreamjam

Jumbled Up July 2k19!
03/07/2109 to 22/07/2019 https://itch.io/jam/jumbledupjam

Corazon Bundle Jam
14/07/2019 to 06/08/2019 https://itch.io/jam/corazon-bundle-jam

#RPGenesis 2019
04/08/2019 to 12/08/2019 https://itch.io/jam/rpgenesis2019

Mapemounde
08/08/2019 to 18/08/2019 https://itch.io/jam/mapemounde2019

Discord RPG Jam
09/08/2019 to 31/08/2019 https://itch.io/jam/discord-rpg-jam

Goon Jam
09/08/2019 to 06/09/2019 https://itch.io/jam/goonjam

Earth Empathy Jam
15/08/2019 to 13/09/2019 https://itch.io/jam/earth-empathy-jam

Met Jam
17/08/2019 to 30/09/2019 https://itch.io/jam/met-jam

Jammi Jam Jam
30/08/2019 to 13/11/2019 https://itch.io/jam/jammi-jam-jam

Your move Jam
01/09/2019 to 23/09/2019 https://itch.io/jam/your-move-jam

Bideo Jam
01/09/2019 to 31/12/2019 https://itch.io/jam/bideo-jam

Value Your Work Jam
01/09/2019 to 01/10/2019 https://itch.io/jam/value-your-work-jam

Donjon pour débutants
05/09/2019 to 05/10/2019 https://itch.io/jam/donjons-pour-debutants

Safety Jam
20/09/2019 to 08/11/2019 https://itch.io/jam/safety-jam

The Mega RPG Jam
28/09/2019 to 30/09/2019 https://itch.io/jam/mega-rpg-jam

NO DICE: A Diceless Tabletop RPG Jam
1/10/2019 to 31/10/2019 https://itch.io/jam/no-dice-a-diceless-tabletop-rpg-jam

Cryptid Jam
1/10/2019 to 1/11/2019 https://itch.io/jam/cryptid-jam

Troika Backgrounds Jam!
16/10/2019 to 31/10/2019 https://itch.io/jam/troika-backgrounds-jam

TONY HAWK JAM
21/10/2019 to 10/11/2019 https://itch.io/jam/tony-hawk-jam

The Galavant Jam 
21/10/2019 to 21/11/2019 https://itch.io/jam/the-galavant-jam

Business Card Jam
30/10/2019 to 14/11/2019  https://itch.io/jam/business-card-jam

The BadTTRPG « Change Your Name » Jam
31/10/2019 to 01/12/2019 https://itch.io/jam/badttrpgs/entries

Three Forged Jam 2019
01/11/2019 to 29/12/2019 https://itch.io/jam/threeforged2019

Ad Astra Jam
1/11/2019 to 01/01/2020 https://itch.io/jam/ad-astra-jam

Joined Worlds Jam
1/11/2019 to 08/12/2019 https://itch.io/jam/joined-worlds-jam

Me, Myself, And My RPG Game Jam Part 2
1/11/2019 to 31/12/2019 https://itch.io/jam/me-myself-and-my-rpg-game-jam-part-2

Correspondence Jam
01/11/2019 to 19/12/2109 https://itch.io/jam/correspondence-jam

Solo game chef
01/11/2019 to 01/12/2019 https://itch.io/jam/solo-game-chef 

NEILVEMBER JAM
3/11/2019 to 1/12/2109 https://itch.io/jam/neilvember

Sequel Jam
4/11/2019 to 9/12/2019 https://itch.io/jam/sequel-jam

MEOWER UP!
06/11/2019 to 13/12/2109 https://itch.io/jam/meower-up

Guardians & Guides: New Designer Education Jam
07/11/2019 to 1/7/2020 https://itch.io/jam/guardiansandguides

IMPACT FONT HAS NOTHING TO DO WITH THIS RPG JAM
13/11/2019 to 13/12/2019 https://itch.io/jam/impact-font-jam

Pleasant Dream Jam
30/11/2019 to 30/01/2020 https://itch.io/jam/pleasant-dream-jam

Stories of Storyplay Jam
5/12/2019 to 05/01/2020 https://itch.io/jam/stories-of-storyplay

Decade Jam
31/12/2020 to 01/01/2030 https://itch.io/jam/decadejam

#280 words challenge
https://twitter.com/hashtag/280RPG?src=hashtag_click&f=live

#AprilTTRPGmaker
https://twitter.com/hashtag/AprilTTRPGMaker?src=hashtag_click

200 words RPG challenge
https://200wordrpg.github.io/

24 hours RPG
http://www.24hourrpg.com/

Naga Demon
http://nathanrussell.net/naga-demon/

Game chef
http://www.game-chef.com/

Défi Trois Fois Forgé
https://ptgptb.fr/mot-cle/trois-fois-forge