There is nothing wrong with playing a puzzle for an hour if that is what you meant to do. The problem is the hour you did not decide on, which happens because a game with forty-second stages never presents a natural stopping point. Everything below is about creating one.
The design, briefly and without drama
Short stages, a visible next objective, a reward that lands just after the point you would otherwise stop, and an event with a deadline. None of this is sinister — it is the same structure as a good television series — but it is engineered, and it works better on tired people at eleven at night.
The one habit that works
Decide the stopping point before you start, and make it a number of stages rather than a length of time. "Three levels" is checkable; "ten minutes" is not, because you will not look. This sounds trivial and it is the only technique that reliably survives contact with a good chain reaction.
Settings that help
- Turn off notifications for the game. The lives-refilled alert exists specifically to restart a session, and it is the easiest thing in this list to remove.
- Turn off badges too. A red dot on the icon is a smaller version of the same nudge.
- Use the phone's own screen time limit. Both platforms will grey the app out after a set number of minutes a day. It is blunt and it works.
- Do not install two of them. The classic pattern is opening the second game while the first refills lives, which removes the only enforced break the genre gives you.
Let the timer be the timer
The energy system is widely disliked and is, used correctly, the most useful feature these games have. Five lives, gone, come back later — that is a built-in stopping point handed to you for free. The moment you buy past it, you have removed the only structural limit in the game and replaced it with your own willpower at midnight.
If a session has already gone long
Finish the stage you are in and close it there rather than at a failure. Stopping on a loss makes you want one more attempt; stopping on a win does not. It is a small trick and it is remarkably effective.
Where the line is
If playing is displacing sleep, work or people, or if spending has moved past what you decided in advance, that is worth taking seriously rather than optimising with a settings change. In Australia, Gambling Help Online and Lifeline both take calls about digital spending habits, and a GP is a reasonable first conversation. Nothing on this site is advice of that kind — we review puzzles.