| Tape image | /pub/sinclair/games/r/ReductioAdNihilum.tzx.zip | 13,022 | - | NoneUnidentified copy (if STP) or original release | | |
| Tape image | /pub/sinclair/games/r/ReductioAdNihilum.tap.zip | 13,003 | - | None | | |
| Loading screen | /pub/sinclair/screens/load/r/scr/ReductioAdNihilum.scr | 6,912 | - | | | |
| Running screen | /pub/sinclair/screens/in-game/r/ReductioAdNihilum.gif | 6,153 | - | | | |
| Instructions | /pub/sinclair/games-info/r/ReductioAdNihilum.txt | 3,182 | - | | | |
| Game map | /pub/sinclair/games-maps/r/ReductioAdNihilum.png | 82,633 | - | | | |
| Source code | /pub/sinclair/games-extras/ReductioAdNihilum_SourceCode.zip | 24,854 | - | | | |
| RZX playback file | https://archive.org/download/rzxarchive/reductio.rzx | - | - | | | Recorded by Pavel Plíva (with rollback) |