- Series: Universe in Flames Series Record # 47442
- Series Tags: science fiction (8), space opera (3)
- Universe in Flames
- 1 Earth-Last Sanctuary (2015) by Christian Kallias
- 1.5 Ryonna's Wrath (2016) [SF] by Christian Kallias
- 2 Fury to the Stars (2015) by Christian Kallias
- 3 Destination Oblivion (2015) by Christian Kallias
- 4 The Beginning of the End (2016) by Christian Kallias
- 5 Rise of the Ultra Fury (2016) by Christian Kallias
- 6 Shadows of Olympus (2016) by Christian Kallias
- 7 Armageddon Unleashed (2017) by Christian Kallias
- 8 Twilight of the Gods (2017) by Christian Kallias
- 9 Into the Fire Part I: Requiem of Souls (2017) by Christian Kallias
- 10 Into the Fire Part II: To End All Wars (2018) by Christian Kallias
- Universe in Flames: Books 1-5 plus Bonus Novella (2016) [O/1-5+Novella] by Christian Kallias
- The First Universe in Flames Trilogy: Books 1-3 (2017) [O/1-3] by Christian Kallias
- The Second Universe in Flames Trilogy: Books 4-6 (2017) [O/4-6] by Christian Kallias
- The Third Universe in Flames Trilogy: Books 7-10 (2018) [O/7-10] by Christian Kallias
- Dark Legacy (Christian Kallias)
- 1 Nemesis (2019) by Christian Kallias
- Universe in Flames Origins
- 0 Across the Galactic Pond (2017) [SF] by Christian Kallias
- 1 Course Correction (2018) [SF] by Christian Kallias
- 2 Damocles Fall (2018) [SF] by Christian Kallias