- Series: Big Sigma Series Record # 51323
- Big Sigma
- 0.5 Beta Testers (2017) [SF] by Joseph R. Lallo
- 1 Bypass Gemini (2011) by Joseph R. Lallo [also as by Joseph Lallo]
- 2 Unstable Prototypes (2012) by Joseph R. Lallo
- 3 Artificial Evolution (2014) by Joseph R. Lallo
- 4 Temporal Contingency (2016) by Joseph R. Lallo
- 5 Indra Station (2019) by Joseph R. Lallo
- 6 Nova Igniter (2020) by Joseph R. Lallo
- The Big Sigma Collection: Volume 1 (2017) [O/1-3+3ss] by Joseph R. Lallo
- Squee's Day Out (2017) [SF] by Joseph R. Lallo
- Building the Perfect Pet (2017) [SF] by Joseph R. Lallo