Pick the reset you need
A useful break matches your state. If your mind is buzzing, a slow puzzle such as Lights Out or Block Merge gives attention a smaller problem. If you feel dull, a short reaction game can raise alertness. If you are frustrated with a long project, avoid the game that most resembles that frustration—another scoring chase may not help.
Casual games do not make anyone smarter by themselves. They can occupy the loop that would otherwise keep rehearsing an unsolved paragraph. The benefit is distance, not a hidden brain upgrade.
Bound the round in advance
Choose one round, three lives, or a timer before you start. Write the next work action in a note: “open the document and fix the first heading.” That cue is how you return. Stopping after a disappointing result is part of the skill; the record is not a door you have to unlock before you are allowed to leave.
If restarts become automatic, the break has failed. Stand up. Look at something farther away than a screen. Drink water. Those clichés persist because bodies are not optional accessories to attention.
Notice the aftertaste
A good break leaves you more willing to resume. A poor one leaves you more brittle. Track that aftertaste for a week and you will know which BrainBounce games belong in your toolkit and which belong on a different day. The arcade is one option among walks, stretching, and talking to a person in the room.
Used on purpose, a five-minute game can provide a complete cycle of challenge and finish during work whose rewards are delayed. Used without a boundary, it is just another feed. The difference is the decision you make before the first tap.