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RPG Portfolio

Exploring My Work

Discover the unique worlds and experiences built through my many RPG projects. From intricate lore to captivating gameplay mechanics, each showcases my dedication to storytelling and immersive experiences.

Published Products

Wizards of the Coast

  • Waterdeep: Dungeon of the Mad Mage (Design); D&D 5e

  • Lost Laboratory of Kwalish (Design); D&D 5e

  • Infernal Machine Rebuild (Design); D&D 5e

  • Return to Glory (Design); D&D 5e

  • Dungeon Delve (Design); D&D 4e

  • One Dark Night in Weeping Briar (Design); D&D 4e

  • Dragon Magic (Design); D&D 3.5e

  • Complete Scoundrel (Design); D&D 3.5e

  • City of Stormreach (Design); D&D 3.5e

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Kobold Press

  • Tales of the Valiant Book of Blades (Design)

  • Tales of the Valiant Monster Vault (Design)

  • Reach for the Stars (Design)

  • Trapmaster (Design)

  • Book of Blades: Naval Battles (Design)

  • Book of Blades: Expanding the Ranger (Design)

  • Southlands Player’s Guide (Design)

  • Midgaurd Sagas - The Mhalmet Heist (Design)

  • Midgard Heroes Handbook (Design)

  • Book of Lairs (Development)

  • Tome of Beasts (Design)

  • Deep Magic (Design)

  • Deep Magic 04: Illumination Magic (Design)

  • Deep Magic 07: Chaos Magic (Design)

  • Deep Magic 08: Battle Magic (Design)

  • Deep Magic 11: Elven High Magic (Design)

  • City of Cats (Development)

  • Cat and Mouse (Development)

  • Grimalkin (Development)

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Ghostfire Gaming

  • Grim Hollow Transformed Campaign Guide (Design)

  • Grim Hollow Transformed Players Guide (Design)

  • Arora: Age of Desolation (Design)

  • Grim Hallow Lairs of Etharis (Design)

  • Grim Hollow: The Monster Grimoire (Design)

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Jeff Stevens Games

  • Weapons of Lore (Design)

  • Weapons of Legend (Design)

  • Weapons of Myth (Design)

  • Potbellied Kobold's Guide to Villains & Lairs (Design)

  • Adventures from the Potbellied Kobold (Design)

  • Tick Tock (Design)

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Alligator Alley Entertainment

  • Expedition to the Mysterious Peaks (Design)

  • Tales and Tomes of the Forbidden Library (Design)

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Guild Adept/D&D Adventurers League DMsGuild POD

  • Aurora's Whole Realms Catalogue, vol 1 (Design) 

  • Durnan's Guide to Tavernkeeping (Design)

  • Encounters in Sharn (Design)

  • Infernal Encounters (Design, Development)

  • Knuckleheads & Other Such Curiosities: A Travelers’ Guide to Icewind Dale (Design, Development)

  • Lost Tales of Myth Drannor (Design, Development)

  • Mirt's Undermountain Survival Guide

  • Morgrave Miscellany (Design) 

  • Pipyap's Guide to All of the Nine Hells (Design, Development)

  • Riddle of the Raven Queen (Design)

  • Waterdeep: City Encounters (Design)

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Fantasy Flight Games

  • MN10 - Star and Shadow (Design)

  • MN14 - Hammer and Shadow (Design)

  • MN15 - Legends of Shadow (Design)

  • MN18 - Honor and Shadow (Design)

  • MN19 - Veil of Shadow (Design)

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Raging Swan Press

  • Campaign Backdrop: Marshes & Swamps (Design)

  • Campaign Backdrop: Seas & Oceans (Design)

  • Campaign Backdrop: Sun & Sand (Design)

  • Dungeon Dressing: Entrances (Design)

  • Dungeon Dressing: Portals (Design)

  • Dungeon Dressing: Secret Doors (Design)

  • Dungeon Dressing: Thrones (Design)

  • So What's the Zombie Like Anyway? (Design)

  • Village Backdrop: Hard Bay (Design)

  • Village Backdrop: Hulw'ma (Design)

  • Village Backdrop: Refuge (Design)

  • Wilderness Dressing: Travelers (Design)

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Schwalb Entertainment

  • The Queen of Gold: Tales of the Pirate Isles (Design)

  • Tales of the Desolation (Design)​​​

Magazine and Website Articles

Dragon Magazine

  • Dragon #329: The Stuff of Legends (Bazaar of the Bizarre)

  • Dragon #332: Flexible Fighter (Class Acts)

  • Dragon #332: In Defense of Home and Horde (Bazaar of the Bizarre)

  • Dragon #333: Barbarian Backgrounds (Class Acts)

  • Dragon #334: Livre d'Aquatha (Spellcraft)

  • Dragon #336: Curios of Corruption (Bazaar of the Bizarre)

  • Dragon #336: Herbal Remedies (Class Acts)

  • Dragon #338: The Silver Hexameric Folio (Spellcraft) Dragon #340: The Twilight Codex (Spellcraft)

  • Dragon #344: Of Scale, Claw, and Flame (Bazaar of the Bizarre)

  • Dragon #347: A Mastery of Elements (Bazaar of the Bizarre)

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Dungeon Magazine

  • Dungeon #157: The Dark Heart of Mithrendain (Adventure)

  • Dungeon #164: Return of the Poisoned Shadows (Adventure)

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Warlock Magazine

  • Warlock #14: Cogs and Gears: The Automata Epidemic

  • Warlock #14: Midsummer Fair Clockwork Companions

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Ghostfire Gaming Blog

(https://ghostfiregaming.com/blog/)

  • Storybuilding: Advanced Equipment 8/6/21

  • Storybuilding: The Price of Power (Part 1) 9/2/21

  • Storybuilding: The Price of Power (Part 2) 9/30/21

  • Exploring the Realms of Grim Hollow 10/25/21

  • Storybuilding: Rumors and Story Hooks 10/27/21

  • Discovering the Races of Grim Hollow 11/12/21

  • Grim Hollow – Hag Transformation 11/26/21

  • Factions of Grim Hollow 1/19/22

  • Storybuilding: Monster Hunting 4/29/22

  • Storybuilding: Expanding Salvage Rules 7/6/22

  • Storybuilding: Growing Your Party’s Fame in 5e 5/31/23

 

Kobold Press Blog

(https://koboldpress.com/blog/)

  • Trapmaster: Finding Your Purpose 9/7/20

  • Trapmaster: Enough Rope to Hang Themselves 9/28/20

  • Trapmaster: The Soft Touch 10/26/20

  • Trapmaster: Trapped Treasure, Treasured Traps 11/30/20

  • Trapmaster: Chilling Encounters 12/28/20

  • Trapmaster: What Do I See? 1/25/21

  • Trapmaster: Hidden Distractions 3/22/21

  • Trapmaster: Ups and Downs 4/12/21

  • Trapmaster: Incremental Traps 5/17/21

  • Trapmaster: Location, Location, Location 6/28/21

  • Trapmaster: Traps That Aren’t 7/28/21

  • Trapmaster: Beating Traps, the Kobold Way 8/23/21

  • Arcane Adventures: City Life 10/25/21

  • Arcane Adventures: Winds of Magic 11/22/21

  • Arcane Adventures: Behind These Walls 12/13/21

  • Arcane Adventures: Spirit of the Wild 2/7/22

  • Arcane Adventures: A Curse Upon Your House 4/4/22

  • Arcane Adventures: Land’s Labors 5/2/22

  • Reach for the Stars: Quick Space Adventures 8/30/22

  • Reach for the Stars: Rare Materials 9/13/22

  • Reach for the Stars: Space Magic 9/27/22

  • Reach for the Stars: Stellar Bestiary 10/11/22

  • Reach for the Stars: Deep Space Ancestries 10/25/22

  • Reach for the Stars: One with the Stars 11/8/22

  • Planar Adventures 1: Creating Adventures 10/17/23

  • Planar Adventures 2: Magic of the Planes 10/24/23

  • Planar Adventures 3: New Subclasses 10/31/23

  • Planar Adventures 4: Otherworldly Treasures 11/7/23

  • Planar Adventures 5: Extraplanar Entities 11/14/23

  • Planar Adventures 6: The Stress of Adventuring 11/21/23​

Organized Play Adventures

Legends of Greyhawk

  • Ruins of the Moathouse (Design)

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Grim Hunt / Grim Hollow

  • GH-S1-02 A Walstein Haunting: Burning Vengeance (Design)

  • Raid the Blood Drenched Shores (Design)

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D&D Adventurers League

  • Conversations With... Faction Contacts in the Moonsea, vol. 1 (Design)

  • CCC-BMG-13 PHLAN 1-1 Sepulture (Design)

  • CCC-BMG-MOON18-2 What We Reap (Design)

  • CCC-CIC-01 The Vault of the Devourer (Design)

  • CCC-CIC-08 The Last Voyage of the Woolgathering Tidsoptimist (Design)

  • CCC-CIC-15 Den of the Dead Witch (Design)

  • CCC-CIC-16 Open Ambitions (Design)

  • CCC-GHC-BK01-07 The Peculiar Case of the Selptan Felines (Design)

  • CCC-GHC-BK03-02 The Girl with the Wet Nose (Design)

  • DDAL04-14 The Darklord (Design)

  • DDAL05-17 Hartkiller's Horn (Design)

  • DDAL06-02 The Redemption of Kelvan (Design)

  • DDAL07-18 Turn Back the Endless Night (Design)

  • DDAL09-20 Where Devils Fear to Tread (Design)

  • DDAL-DRW-04 Foreign Affairs (Design)

  • DDAL-DRW-09 Vile Bounty (Design)

  • DDEX1-03 Shadows of the Moonsea (Design)

  • DDEX1-10 Tyranny in Phlan (Design)

  • DDEX2-06 Breath of the Yellow Rose (Design)

  • DDEX2-11 Oubliette of Fort Iron (Design)

  • DDEX03-14 Death on the Wall (Design)

  • DDEX03-16 Assault on Maerimydra (Design)

  • ​LN-1: Fuzzytail Farm and the Frightful Candy Goat Massacre (Design)

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Ravenloft Mist Hunters

  • RMH-01: The Final Curtain (Design)

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Embers of the Last War

  • DDAL-ELW01 Murder in Skyway (Design)

 

Esper Genesis Crucible Core

  • Rescue of the Starlight Voyager

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Shadowrun Missions

  • SRM 09-03 Learning Little from Victory

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Living Forgotten Realms

  • ADAP2-01 Monument of the Ancients (Design)

  • ADCP3-1 Swarm of Chaos (Design)

  • ADCP5-1 Home's Last Light (Design)

  • CCF1-1 The Jaws That Bite, The Claws That Catch (Development)

  • CCF1-2 Trials of the Tanglewood (Development)

  • CCF1-3 Float Like a Dragonfly (Development)

  • CCF1-4 Razing Aerithmas (Development)

  • CCQ1-5 Honor Bound (Design)

  • CCQ1-6 Cold Hard Cash (Development)

  • CORE3-1 A Vengeful Dream (Design)

  • ELTU4-4 The Fall of Elturgard (Design)

  • MINI1-06 Quench the Fire of the Raging God (Design)

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Xen'drik Expeditions

  • COS-01 The Sahuagin Stone (Design)

  • COS-02 Shadows Over Stormreach (Design)

  • COS-03 Khyber's Children (Design)

  • COS-04 Fire in the Heart of Madness (Design)

  • COS-06 What Rough Beast (Design)

  • COS-07 Whispers Behind the Door (Design)

  • COS-08 Racing Midnight (Design)

  • COS-10 Thirst For Blood and Stone (Design)

  • COS-11 With His Dying Breath (Design)

  • COS-12 Dark Portents (Design)

  • EXP-01 The Journey Begins: Well of Woe (Design)

  • EXP-06 Taming the Hydra (Design)

  • EXP-09 Endgame (Design)

  • XMH4: To Spurn the Churning Discord (Design)

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Mark of Heroes

  • EMH-2 Pirates Bounty and the Isle of Fire (Design)

  • EMH-8 Freely Given (Design)

  • EMH-12 Escape from Grea Tower (Design)

  • EMH-14 House of Madness (Design)

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Legacy of the Green Regent

  • LGR-19 A Difference of Opinion (Design)

  • LGR-20 The Howling of a Mighty Storm (Design)

  • LGR-21 The Truth of Hearts (Design)

  • LGR-22 As Seconds Slip Away (Design)

  • LGR-23 Strange Bedfellows (Design)

  • LGR-24 To Sever the Snake’s Head (Design)

 

Living Dragonstar

  • LDS-SF01 Reach For the Stars (Design)

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Living Greyhawk 

  • COR4-19 That Which Was Not Meant to Be Known (Design)

  • COR6-01 Rallying Point for the Bright Sands  (Design)

  • COR6-16 Dominion Over Bright Sands  (Design)

  • CORS6-01 The Hanging Glacier (Design)

  • HIGA-02 A Path Less Wandered (Design)

  • HIGA-03 Scavenger Hunt (Design)

  • HIGC-01 La Danse Macabre (Design)

  • HIG1-i05 Highfolk/Shieldlands Crossover  (Design)

  • HIG2-i01 Eye of the Storm (Design)

  • HIG2-i02 A Wealsun Wedding (Design)

  • HIG2-i03 The Sinister Secret of Kalid Zefik (Design)

  • HIG3-i01 The Battle for Quaalsten (Design)

  • HIG3-i02 Trouble in the Garden (Design) 

  • HIG3-i03 The Land of Hearts Desire (Design) 

  • HIG3-04i Pruning the Garden (Design)

  • HIG3-i05 The Darkest Day (Design)

  • HIG4-i02 Do Golems Dream of Iron Sheep (Design)

  • HIG4-i03 That Which Was Lost (Design)

  • HIG4-i04 Idle Tears (Design)

  • HIG5-i03 In a Handbasket (Design) 

  • HIG5-i01 Unity (Design)

  • HIG1-08 What’s a Half-Orc to Do? (Design)

  • HIG2-05 Kinsmen (Design)

  • HIG2-07 Dark and Restless Dreams (Design)

  • HIG3-01 As Luck Would Have It (Design)

  • HIG3-06 Brother Against Brother (Design)

  • HIG3-08 The Evil Within (Design)

  • HIG4-02 Losing the War We’ve Won (Design)

  • HIG4-06 All the Empty Places of the World (Design)

  • HIG5-03 All Good Things (Design)

  • HIG5-06 Desires of an Empty Heart (Design)

  • HIG5-09 Twilight (Design)

  • HIG6-03 Heavy Upon a Heart (Design)

  • HIG6-05 A Column of Five (Design)

  • HIG6-08 Dusk  (Design)

  • HIG7-04 Rose and Pearl (Design)

  • HIG7-05 Midnight (Design)

  • HIG8-03 Lies of Iron (Design)

  • HIG8-06 Dawn (Design)

  • IUZ3-06 Every Passing Breeze (Design)

  • IUZ4-05 Stepping Into the Parlor (Design)

  • IUZ4-08 Shattered Reflections of a Frozen Twilight (Design)

Organized Play Experience

Legends of Greyhawk

  • Creative Lead, 2025-present

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D&D Adventurers League

  • Content Manager, 2020-present 

  • Resource Manager, 2014-2020

 

Living Forgotten Realms    

  • Global Administrator, 2008-2014

        
Xen'Drik Expeditions

  • Faction Master (Cabal of Shadows), 2006-2008    

 

Living Greyhawk

  • Regional Triad (POC - Highfolk/WI), 2000-2008

Recognitions

Silver Ennie Minsc & Boo's Guide to Stuff and Things, 2019

 

D&D Icon Award for Lifetime Achievement, 2019

 

Gold Ennie Lost Tales of Myth Drannor, 2018

Interviews, Live Plays, and

Panels

Crit Hit the Giant - What IS The Legends Of Greyhawk from Baldman Games? (A GenCon Special)

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d20play Live 32 - Greg Marks, Adventurers League, 2024 DnD 

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d20play Live 66 - Legends of Greyhawk with Greg Marks

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Down with D&D - Dungeon Mastery for 5E with Greg Marks

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Dragon Talk - Bill Benham & Greg Marks, 1/8/18

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Gamehole Con Game 6 - D&D 1st Edition with Stefan Pokorny (DM)

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Jeff Talks RPGs - Episode 14: Creating High-Level Adventures, featuring Greg Marks, Anthony Joyce-Rivera

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Mastering Dungeons 126 - Interview with Greg Marks (Adventurers League)
 

Mastering Dungeons - Dark Fantasy and Horror Panel Gamehole Con

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​​PokeProblems Podcast 23

 

PokeProblems Podcast 25 

 

PokeProblems Podcast 40

 

PokeProblems Podcast 58

 

PokeProblems Podcast 63

 

PokeProblems Podcast 107

 

PokeProblems Podcast 129

 

PokeProblems Podcast 153

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