Hmm, strange, works for me (Firefox).
Also, "thanks" for the bad rating just because you got a problem nobody else ever had, and for which you didn't add any information that could help me fix it.
Firefox, Linux Mint. Have no other browsers.
Reloading game restarts it, but issue resurns whenever choise appears. Before it walking around with arrows works.
Have not noticed restart button. And this button does not work at any point during the game. WASD and IJKL movement works, but sticky: as if key stays held permanently (until game reload).