| Type | Title | Year | Publisher |
|---|---|---|---|
| Sharp X1 5.25in. disk | 🟩 Satsujin wa Tegami ni Notte | 1988 | Twin Soft. [Japan] |
| NEC PC-9801 Series 5.25in. disk | 🟩 Satsujin wa Tegami ni Notte | 1988 | Twin Soft. [Japan] |
| Fujitsu FM-7 3.5in. disk | 🟩 Satsujin wa Tegami ni Notte Model FVIC-39001 | 1988 | Twin Soft. [Japan] |
| NEC PC-8801 Series disk | 🟩 Satsujin wa Tegami ni Notte Model NFIC-37001 | 1988 | Twin Soft. [Japan] |