| Tape image | /pub/sinclair/games/o/Ostron.tzx.zip | 7,601 | - | NoneOriginal release (O) | | |
| Tape image | /pub/sinclair/games/o/Ostron.tap.zip | 6,930 | - | Undetermined | | |
| Loading screen | /pub/sinclair/screens/load/o/scr/Ostron.scr | 6,912 | - | | | |
| Running screen | /pub/sinclair/screens/in-game/o/Ostron.gif | 1,119 | - | | | |
| Instructions | /pub/sinclair/games-info/o/Ostron.txt | 1,787 | - | | | |
| Inlay - Back | /zxdb/sinclair/entries/0003550/Ostron_Back.jpg | 279,133 | e668f75093117a707672868e92fa1bf6 | NoneSingle jewel case | | |
| Inlay - Front | /zxdb/sinclair/entries/0003550/Ostron_Front.jpg | 347,300 | 5c25a399831893685e9f2616b7ab81d0 | NoneSingle jewel case | | |
| Media scan | /zxdb/sinclair/entries/0003550/Ostron_SideA.jpg | 76,259 | 13cf1e60673ce70a0d9f1285eda9050a | None | | |
| Media scan | /zxdb/sinclair/entries/0003550/Ostron_SideB.jpg | 75,030 | 4510edcaac7e330d732a31305e27e23b | None | | |