HT Games
The games came first.
| Media | First Entry | Year |
|---|---|---|
| Video Game | Assassin's Creed | 2007 |
| Novel | Assassin's Creed: Renaissance | 2009 |
Since then, novels (by Oliver Bowden, Christie Golden, etc.) expand on game events, explore side characters, and bridge gaps between installments. They're companion lore—not source material.