- Series: Crimson Worlds Universe Series Record # 40313
- Series Tags: military sf (15), science fiction (6)
- Crimson Worlds Universe
- 1 Crimson Worlds (Jay Allan)
- 1 Marines (2012) by Jay Allan
- 2 The Cost of Victory (2012) by Jay Allan
- 3 A Little Rebellion (2013) by Jay Allan
- 4 The First Imperium (2013) by Jay Allan
- 5 The Line Must Hold (2013) by Jay Allan
- 6 To Hell's Heart (2013) by Jay Allan
- 7 The Shadow Legions (2014) by Jay Allan
- 8 Even Legends Die (2014) by Jay Allan
- 9 The Fall (2014) by Jay Allan
- Crimson Worlds Collection I (2013) [O/1-3] by Jay Allan
- Crimson Worlds Collection II (2014) [O/4-6] by Jay Allan
- Crimson Worlds Collection III (2016) [O/7-9] by Jay Allan
- 2 Crimson Worlds Prequels
- 1 Tombstone (2012) [SF] by Jay Allan
- 2 Bitter Glory (2013) [SF] by Jay Allan
- 3 The Gates of Hell (2014) [SF] by Jay Allan
- War Stories (2014) [C] by Jay Allan
- 3 Crimson Worlds Refugees
- 1 Into the Darkness (2015) by Jay Allan
- 2 Shadows of the Gods (2015) by Jay Allan
- 3 Revenge of the Ancients (2016) by Jay Allan
- 4 Winds of Vengeance (2016) by Jay Allan
- 5 Storm of Vengeance (2018) by Jay Allan
- 6 Crusade of Vengeance (2021) by Jay Allan
- Crimson Worlds Refugees: Books 1-3 (2017) [O/1-3] by Jay Allan
- 4 Crimson Worlds Successors
- 1 Mercs (2015) by Jay Allan
- 2 The Prisoner of Eldaron (2015) by Jay Allan
- 3 The Black Flag (2017) by Jay Allan
- Crimson Worlds Successors: The Complete Trilogy (2018) [O/1-3] by Jay Allan
- 5 Crimson Worlds Adventures
- 1 Red Team Alpha (2016) by Jay Allan
- 6 Crimson Worlds (Kindle Worlds)
- Initial Conditions (2017) by Pete Gasperini
- Retreat Hell (2017) [SF] by Jeffery H. Haskell
- Doom Squad (2017) [SF] by Greg Dragon
- James Teller (2017) [SF] by Sherry Dixon
- Cold Comfort (2017) by Tyler Totten
- Frontier Wars
- 1 Planetary Breach (2017) by Jim Rudnick
- Legionnaire (Edward M. Grant)
- 1 Rebellion (2017) by Edward M. Grant
- 1 Crimson Worlds (Jay Allan)