Game System
- House system3
- Houses of the Blooded7
- How Judges Guild Pioneered the Creation of Fantasy Campaigns1
- How To Design Quality Adventures1
- How To Spark-Up Roleplaying Games1
- How We Came to Live Here3
- How to Host a Murder3
- How to Host a Mystery2
- How to RPG with Your Cat3
- Hoyle1
- Hoyuk10
- Hucking Heist4
- Hues & Clues2
- Hues and Cues20
- Hulk Smash13
- Hull Breach11
- Human Era15
- Human Occupied Landfill: HoL1
- Humans!!!20
- Humans!!! and Zombies!!!11