The first TPB of OMG compiling some of the first issues of Dark Horse in correct chronological order was released in 1997. you can see how much was skipped around by looking at the color groupings and how scattered they are.

Dark Horse List for OMG 1996 - 1997
• Oh My Goddess!: Sympathy for the Devil - Jan. 1996
• Oh My Goddess!: Mystical Engine - Feb. 1996
• Oh My Goddess!: Valentine Rhapsody - Mar. 1996
• Oh My Goddess!: Terrible Master Urd #1 - Apr. 1996
• Oh My Goddess!: Terrible Master Urd #2 - May 1996
• Oh My Goddess!: Terrible Master Urd #3 - Jun. 1996
• Oh My Goddess!: Terrible Master Urd #4 - Jul. 1996
• Oh My Goddess!: Terrible Master Urd #5 - Aug. 1996
• Oh My Goddess!: Terrible Master Urd #6 - Sep. 1996
• Oh My Goddess!: 1-555-Goddess TPB - Nov. 1996
  Collects...
  Oh My Goddess #1-3
  Oh My Goddess!: Part II #3-5
• Oh My Goddess!: Robot Wars - Dec. 1996
• Oh My Goddess!: The Trials of Morrisato #1 - Jan. 1997
• Oh My Goddess!: The Trials of Morrisato #2 - Feb. 1997
• Oh My Goddess!: The Trials of Morrisato #3 - Mar. 1997
• Oh My Goddess!: The Queen of Vengence - Apr. 1997
• Oh My Goddess!: Mara Strikes Back #1 - May 1997
• Oh My Goddess!: Mara Strikes Back #2 - Jun. 1997
• Oh My Goddess!: Mara Strikes Back #3 - Jul. 1997
• Oh My Goddess!: The Forgotten Promise - Sep. 1997
• Oh My Goddess!: The Lunchbox of Love - Oct. 1997
• Oh My Goddess!: Love Potion No. 9 TPB - Oct. 1997
  Collects...
  Oh My Goddes #4-5
  Oh My Goddess Part II #6-8
  Oh My Goddess! On A Wing and a Prayer
  Oh My Goddess: Love Potion No. 9
• Oh My Goddess!: Meet Me By the Seashore - Nov. 1997
• Oh My Goddess!: You're So Bad - Dec. 1997