Salt Lake Mobile Escape Room: Free Escape Room

These are both 'solve the puzzle to get the code to reach the next screen' games. The instructions state that each should be about an hour, which implies they're expecting you to spend more time per-screen than most such games. The combination of external research and searching on their website didn't do much for me, and, in the absence of a hint system, once I hit a question I couldn't answer I didn't persist.