The following are the winners of the 25th annual (1998) Origins Award, presented at Origins 1999:
| Category | Winner | Company | Designer(s) |
|---|---|---|---|
| Best Abstract Board Game of 1998 | What Were You Thinking? | Wizards of the Coast | |
| Best Historical Board Game of 1998 | Great War at Sea: Plan Orange | Avalanche | |
| Best Science Fiction or Fantasy Board Game of 1998 | Crimson Skies | FASA Corp. | |
| Best Graphic Presentation of a Board Game of 1998 | Crimson Skies | FASA Corp. | |
| Best Action Computer Game of 1998 | Star Wars: Rogue Squadron | Lucas Arts | |
| Best Roleplaying Computer Game of 1998 | Baldur's Gate | Interplay | |
| Best Strategy Computer Game of 1998 | Starcraft | Blizzard/Havas | |
| Best Amateur Game Magazine of 1998 | Mythic Perspectives: An Ars Magica Magazine | Gnawing Ideas | |
| Best Professional Game Magazine of 1998 | Knights of the Dinner Table Magazine | Kenzer & Co. | |
| Best Trading Card Game of 1998 | Deadlands CCG | Wizards of the Coast | |
| Best Traditional Card Game of 1998 | Guillotine | Wizards of the Coast | |
| Best Card Game Expansion or Supplement of 1998 | Magic: the Gathering: Urza's Saga | Wizards of the Coast | |
| Best Graphic Presentation of a Card Game of 1998 | Deadlands CCG | Wizards of the Coast | |
| Best Game-Related Novel of 1998 | The Silent Blade | Wizards of the Coast | |
| Best Game-Related Short Work of 1998 | Leftovers | Pinnacle Entertainment Group | |
| Best Roleplaying Adventure of 1998 | Return to the Tomb of Horrors | Wizards of the Coast | |
| Best Roleplaying Supplement of 1998 | Greyhawk: The Adventure Begins | Wizards of the Coast | |
| Best Roleplaying Game of 1998 | Star Trek: The Next Generation RPG | Last Unicorn Games | |
| Best Graphic Presentation of a Roleplaying Game, Adventure, or Supplement of 1998 | Dragonlance Bestiary | Wizards of the Coast | |
| Best Historical Figure Miniatures Series of 1998 | 25mm Darkest Africa | Guernsey Foundry | |
| Best Science Fiction or Fantasy Figure Miniature of 1998 | Hangin's Judge | Pinnacle Entertainment Group | |
| Best Vehicle Miniature of 1998 | Velocipede | Pinnacle Entertainment Group | |
| Best Historical Miniatures Rules of 1998 | Medieval Warfare | Terry Gore | |
| Best Science Fiction or Fantasy Miniatures Rules of 1998 | Battletech Master Rules | FASA Corp. | |
| Best New Play-by-Mail Game of 1998 | Dungeon | Madhouse USA | |
| Best Ongoing Play-by-Mail Game of 1998 | Middle-earth PBM Fourth Age Circa 1000 | Game Systems, Inc. | |
| 1999 Inductees to the Adventure Gaming Hall of Fame | Richard Garfield | ||
| 1999 Inductees to the Adventure Gaming Hall of Fame | Magic: the Gathering | Wizards of the Coast | Designer: Richard Garfield |