Really cool that you did this! You captured the vibe of the book really well. A couple quality of life suggestions:
Please provide a setting to turn off or reduce the wobbly screen effect. It got a bit unpleasant after a while.
Pressing tab crashes the game (in firefox). I wanted to try autocompleting commands with tab.
Let us press up to autofill the last command. It would be helpful when cycling through NPC dialog.