THE RING OF THE INKA - LOADING INSTRUCTIONS
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I cannot assume that everyone is completely familiar with every non-tape storage system that the Spectrum ever dealt with. Hence, I'm providing these fail-safe instructions.

VOLKER'S ORIGINAL MICRODRIVE IMAGE - INKA.MDR (48K, 128K, +2)
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Make sure your emulator is set to use Interface 1 and microdrives. Some will deal with it automatically.
Insert the .MDR file into microdrive 1. It won't work with microdrives 2-8.
Reset the Spectrum and type RUN as the first command to be entered after that reset. The game will auto-run.
This also works on the 128K Toastrack and (grey) +2. Select 128 BASIC and type RUN.
The alternative loading command from either form of BASIC is:
LOAD *"m";1;"run" (the M is not case-sensitive, but the filename is.)


JIM'S ALTERNATIVE FORMATS
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TAPE IMAGE - INKA.TZX (128K, +2, +2A, +3)
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There is so much data used in this game that only the 128K Spectrums can handle loading the game from tape. There's 38K of BASIC program and 33K of data, for the custom character set, the pictures and the decompression routine. With no mass-storage device connected to load the pictures from, the RAM disc serves as a substitute.
One tape image fits all - it has been devised so that it automatically recognises if we're on a ROM 4.0 machine (128K Toastrack or +2) which uses the LOAD !"filename" syntax, or a ROM 4.1 machine (+3 or +2A) which uses the LOAD "M:filename" syntax.
Insert the .TZX file, and select (Tape) Loader. The game will auto-run... 
It will take 7 minutes and 45 seconds to load, including an interval where the 33K bytes block will be carved into chunks and stored on the RAM disc, with the filenames and file sizes that the game was expecting all along.
If you are loading from 128 BASIC, or +3 BASIC on a +2A, type LOAD "" and ENTER.
On the +3, from +3 BASIC type LOAD "t:" first to switch to loading from tape, then LOAD "" and ENTER.

+3 DISC IMAGE - INKA.DSK (+3 only)
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As the +3's disc system is not accessible in 48 BASIC, it made sense to base the +3 disc version on the tape version above - so the game will not be constantly loading the pictures from the disc. It will show the same code-chopping routine as the tape version does, but will load in a lot less time.
Insert the .DSK file, reset the +3 and select Loader, and the game will auto-run.
Alternatively, select +3 BASIC and type LOAD "A:DISK" and ENTER. The filename is not case-sensitive.

+D DISC IMAGE - INKA.MGT (48K, 128K, +2, +2A)
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Miles Gordon Technology's +D, a development of the DISCiPLE before it, is the best disc interface the Spectrum ever had, and I don't care what the Russians think about that! It has its own syntax but can also use the syntax of the microdrive.
Switch your emulator to use the +D if it can't do that automatically.
Insert the .MGT file into drive D1. It won't work in drive D2 if it's connected.
Select either 48 BASIC or 128 BASIC (if you're on a 128K Toastrack or +2), select 48 BASIC if you're on a +2A, because +3 BASIC will be expecting a +3 disc drive that isn't connected.
Type RUN and ENTER. The game will auto-run, including loading the system files that are provided on the disc.
If you need to load the game manually, and have already loaded the system files, the syntax is:
LOAD d1"Autoload" or LOAD *"m";1;"Autoload"

BETA128 DISC IMAGE - INKA.TRD (48K, 128K, +2, Pentagon, Scorpion)
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This is the disc system the Russians got hold of during the Cold War, so it's become far more widespread than Technology Research would ever have imagined. But it isn't restricted to Russian Spectrum clones.
Switch your emulator to something that can handle the Beta128 interface. Most of you will opt for something Russian.
Insert the .TRD file.
On a Pentagon, select TR-DOS, type RUN and ENTER. The game will auto-run.
On a Scorpion, select either 128 TR-DOS or 48 TR-DOS, and the game will auto-run with no further input.
But it's also possible to access TR-DOS on a regular Spectrum using Fuse.
Select Options -> Peripherals -> Disk... and tick both Beta 128 boxes. Hit OK, and OK again to reset the machine to the TR-DOS prompt.
Select Media -> Disk -> Beta -> Drive A: -> Insert... and select INKA.TRD.
The disc will auto-run on a 48K model, but not on the 128K models.
On 128K models, select either 48 BASIC or 128 BASIC and type RANDOMIZE USR 15616 and ENTER to reach the TR-DOS prompt. Type RUN or LOAD "boot" and ENTER.
To get back from the TR-DOS prompt to a regular BASIC editor, type RETURN and ENTER.
The program can be loaded directly from the disc within either BASIC editor with either of the following lines:
RANDOMIZE USR 15619: REM : RUN
RANDOMIZE USR 15619: REM : LOAD "boot"
