Fiction

• Dragonsword of Lankhmar (TSR, 1986), a pair of gamebooks starring Fritz Leiber's Fafhrd and the Gray Mouser characters.
• Pool of Radiance, with Jane Cooper Hong, (TSR, 1989), a Forgotten Realms novel derived from the Pool of Radiance computer game.
• Pools of Darkness, with Anne K. Brown (TSR, 1992), the sequel to Pool of Radiance
• Pool of Twilight, with Anne K. Brown (TSR, 1993), the third book in the Pool series.
• Midshipwizard Halcyon Blithe (Tor Books, 2005).
• Sete-Ka's Dream Quest (Margaret Weis Productions, 2006).
• Dragonfrigate Wizard Halcyon Blithe (Tor Books, 2006).
• Time Twisters Anthology (Daw Books, 2006).
• The Curse of Time (Margaret Weis Productions, 2007).

Role-playing games

• Metamorphosis Alpha (TSR, 1976), the first science fiction role-playing game.
• Gods, Demi-Gods & Heroes, with Robert J. Kuntz (TSR, 1976), one of the four rules supplements to the original edition of Dungeons & Dragons.
• Gamma World, with Gary Jaquet (TSR, 1978), the first role-playing game in the post-apocalyptic subgenre.
• Deities & Demigods, with Robert J. Kuntz (TSR, 1980), a core rulebook for the 1st Edition of Advanced Dungeons & Dragons presenting similar material to that of Gods, Demi-Gods & Heroes. This work introduced a number of now iconic Dungeons & Dragons deities, such as Corellon Larethian, Garl Glittergold, Gruumsh, Moradin, and Yondalla.
• Greyhawk Adventures (TSR, 1988), a hardcover sourcebook for the World of Greyhawk campaign setting.
• Metamorphosis Alpha 4th Edition (Mudpuppy Games, 2006).
• Towers of Adventure (Troll Lord Games, 2008), a digest box set for the Castles & Crusades game.

Other

• Dragon Ball Z collectible card game.
• Star Wars Empire at War Forces of Corruption computer game (2006).
• Westeros GAME OF THRONES Miniatures rules (2007).
• Astrobirdz Concept card game, RPG, board game, coin game, YA novels.
• Dragon Lairds board game, created by Ward and Tom Wham was published in 2008 by Margaret Weis Productions, Ltd.
• In 2008, Ward became the Managing Editor of and a contributor to, The Crusader magazine published by Troll Lord Games.