| recordings |
|---|
| 2008-12-12 | In This Twilight / Zero‐Sum (outro) | live | Nine Inch Nails | ?:?? |
| In This Twilight (Zero‐Sum outro) | live and partial | Nine Inch Nails | 5:56 |
| In This Twilight (Zero‐Sum outro) | live and partial | Nine Inch Nails | 5:57 |
| Z3R0 5UM | | Nine Inch Nails | 5:57 |
| Zero-Sum (Optimal) | | Nine Inch Nails | 4:18 |
| Zero-Sum (remixed by Stephen Morris & Gillian Gilbert) | | Nine Inch Nails | 5:39 |
| Zero‐Sum | | Nine Inch Nails | 6:15 |
| Zero‐Sum | | Nine Inch Nails | 6:16 |
| Zero‐Sum (instrumental) | instrumental | Nine Inch Nails | 6:14 |
| Zero‐Sum (z3r0’5 & 0n3’5) | | Nine Inch Nails | 5:34 |
