There should be 3 difficulty modes, in Easy the owner never comes home, (unless you set off an alarm, she comes home in 5 minutes), in Medium, it's like it is now, and in Hard, the owner starts home.
I have a suggestion for Learn to Fly 3: Have a switch that switches your save between "cookie" version and "online" version, and a button that gives you a copy-able save code.
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