You can see the password. You can't see what you've typed. That's the whole game — the exact, specific dread of a real password field, timed.
Practice is unlimited, no stakes, your own best time tracked locally. Daily is one seeded password, the same for everyone today, three attempts, submitted to a real leaderboard once. Survival starts you on a clock — every correct password buys you more time and hands you a harder one. Three failed attempts on any single password ends the run, in every mode.
Nothing is stored beyond your own device except a submitted Daily or Survival score, which is public once sent.