Part 4 of a walkthrough of the ZX Spectrum game, The Sentinel. From the recording originally sent to http://www.rzxarchive.co.uk/ . The maximum length of videos on YouTube is 12 hours, so I had to chop this 79-hour walkthrough into 7 parts. .
Recorded using "rollback", a feature of the emulator which allows you to mark a point, which you can then roll back to later if you get in trouble, and try again. More info. on the channel "About" page: https://www.youtube.com/user/rzxarchive/about
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