I enjoyed playing the first two cases; the logic and potential scope of the game is interesting and a new take on the detective genre
As a new user there were some hurdles, however, the jump between Case 1 & 2 was not an issue
The initial tutorial into Case 1, and the end of Case 2 had more of an issue for me
Discussion of Answer to Case 2: ROT13
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For the tutorial/opening of cases
The tutorial skipped forward too easily since going back required restarting the tutorial
It has all the necessary detail buried in it, but not in the most accessible format
Rich text here would help with readability to highlight keywords e.g. keybings & selectables
Each case needs to start with the Context/Situation
Emphasise the top right box - perhaps start each case with a duplicate of it as a centre popup or similarly highlight when starting new
Similarly, this could use rich text formatting to highlight the core issue/keywords
There were a few other potential UX improvements
Easier method of skipping to specific line in The Listing - e.g. either double click or with breakpoints have pressing R skip to head when selecting the final line
Option to remove selections from The Seal more easily
Option for switching keybinds would help - especially for home/end
Tutorial box didn't block raycast causing selection of memory behind the box when clicked on
Highlighting of what can be selected in The Machine - perhaps a soft outline fade in when hover over
Would be useful if Flag/Tape Head/Clock also have a highlight when selected
Selection for Memory has outline same colour as fill - making these two states more distinct would increase clarity