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Using a Single-Player Brain Game as a Family

How two or three people share a brain game that has no multiplayer: pass-the-device turns, matched difficulty, and the one genuinely shared artefact.

By Published Updated 5 min read

Reign Creative LLC makes IQ Test & Brain Training Games, which this article links to, so we have a commercial interest in it. How we write and check articles.

Key takeaways

  • IQ Test & Brain Training Games has no multiplayer, no accounts, no shared profile and no head-to-head mode. Everything below is a way of working around that, not a feature list.
  • Pass-the-device turn taking works because each round is short and self-contained: a 60-second sprint or a fixed set of memory rounds ends on its own.
  • Difficulty labels are what let people of different ability share a mode — two players can run the same drill at genuinely different settings and still be doing the same activity.
  • The daily challenge is seeded from the date, so two people on two devices get the same challenge on the same day. That is the one artefact that is genuinely comparable.
  • A Google Play content rating of Everyone is a statement about content suitability, not a claim that an app was designed for a particular age.

You can use a single-player brain game as a family, but not by looking for a family mode. IQ Test & Brain Training Games — our own app, built by Reign Creative — has no multiplayer, no accounts, no shared profile and no head-to-head mode. What it has instead are short self-contained rounds, difficulty settings that let two people of different ability run the same drill, and a daily challenge generated from the date, which is the only thing two players can meaningfully compare.

That is the honest answer to "can we play this together". Everything below is how to make those three facts do the work a multiplayer mode would have done.

Pass the device, because the rounds end by themselves

Turn taking works when a turn has a natural end. In this app most of them do: the sprints run 60 seconds, the accuracy sets are ten questions, the memory modes run a fixed number of rounds. Nobody has to decide when a turn is over, which removes the argument.

A workable family session is one round each, same mode, in a fixed order, three or four times around. Keep the whole thing to about fifteen minutes. The failure mode is the player who is best at it wanting one more go, and the fixed rotation is what prevents that.

For younger players, prefer the untimed accuracy rounds over the sprints for the first few sessions. A visible countdown changes a maths question into a performance, and not everyone finds that fun on the first day.

Two people, one mode, different difficulties

The thing that makes a shared session work is that difficulty labels change the task rather than the marking. Multiplication Rush runs from tables of 1–9 up through 1–12 to two-digit by one-digit, two-digit by two-digit and a mixed setting. Mixed Operations runs Easy through Medium, Hard and Expert to an Adaptive setting. The memory side has seven levels, from Beginner with three or four items on a 2×2 grid and a slow reveal, up to Champion with up to twenty items on grids as large as 7×7 and the fastest reveal.

So a nine-year-old and an adult can both play "Multiplication Rush" and both be genuinely stretched. What they cannot do is compare their scores, because they were not answering comparable questions. That distinction is worth saying out loud at the start, since the alternative is a child concluding they are bad at maths when they were simply playing a harder version of a different problem.

Setting the level is a skill of its own, and getting it wrong in either direction wastes the session — our guide to choosing a difficulty level covers the rule of thumb and what each label physically changes.

The daily challenge is the one shared artefact

The daily challenge is seeded from the date. Two people on two different devices, opening the app on the same day, receive the same challenge. That is the only place in the app where two players' results describe the same problem set.

It makes a light family ritual possible without any networking: everyone does the daily on their own device, then compares over breakfast. There is no leaderboard, no notification when someone else finishes, and no combined streak across devices — the streak counter is local to each install. All of that has to happen in conversation, which is arguably the point.

The mechanics of date-seeded dailies, and why a once-a-day cap is a design decision rather than a limitation, are worth understanding before you build a household habit around one; what a daily challenge format is good for goes through them.

What an "Everyone" rating does and does not tell you

IQ Test & Brain Training Games carries a Google Play content rating of Everyone and sits in the Educational game category. Ratings on Play are produced through the International Age Rating Coalition, a global system that lets a developer complete one questionnaire and receive ratings from the regional authorities that apply in each territory. Google's own help documentation states plainly that ratings indicate minimum maturity levels and do not tell you whether an app is designed for users of a specific age.

That is a useful distinction for a parent. "Everyone" means the content will not surprise you. It does not mean the app was designed around how a seven-year-old reads a screen, and no rating system claims otherwise. The practical test is still to play a round yourself before handing the device over.

Keeping the activity honest

Three habits keep a family session useful rather than competitive theatre.

  • Compare each player to their own last result, never to each other. Different difficulty, different task.
  • Talk about method, not speed. Asking "how did you get that?" turns a drill into a conversation, and it is the only part of the session that reliably teaches anything. NRICH, the mathematics education project run at the University of Cambridge, builds its whole family resource around activities parents and children work through together rather than race at.
  • Do not attach meaning to the numbers. A practice score is a record of one session on one drill. It is not a measure of ability, not an assessment, and not evidence about anyone's intelligence. That applies equally to the app's IQ-style test, memory test and reaction time test, whose results its Google Play listing calls estimates based on app activities, not clinical or professional assessments. Practice, entertainment, educational activity and standardised assessment are four different things, and only the first three are happening here. The evidence for what practice does and does not support is set out in our brain training explainer.

If the memory rounds are the part that lands best with your household, the design thinking behind formats that are not just matching pairs is covered in designing memory games beyond matching pairs. More on routines and progress sits in the brain training games hub and the wider education and brain category, and the app itself is described on the IQ Test & Brain Training Games app page.

Good to know

Frequently asked questions

Can several people share one profile in a practice app?
In IQ Test & Brain Training Games, everything is stored on the device as a single record, so several people sharing one install share one history. That is fine for casual turn taking and unhelpful if anyone wants a clean personal record. The workaround is one device per person, or accepting that the stored bests belong to whoever set them.
What does the Everyone content rating actually mean?
Google Play's content ratings come from a questionnaire answered by the developer and processed by regional rating authorities through the International Age Rating Coalition. Google's own help pages are explicit that a rating indicates a minimum maturity level for the content and does not tell you whether an app was designed for users of a specific age. Suitability and design intent are two different questions.
How do you make a shared session fair when abilities differ?
Do not equalise the task; equalise the challenge. Put each player at the difficulty where they get most answers right but not all of them, then compare each person's result to their own previous result rather than to each other. Comparing raw scores across different difficulty settings is meaningless, and children notice that faster than adults do.
Is there any way to compare two players directly?
Only through the daily challenge, and only loosely. Because the daily is generated from the date, two people opening the app on the same day receive the same challenge, so their results describe the same problem set. There is still no in-app comparison, no leaderboard and no shared streak between devices — you compare by talking to each other.

Sources

  1. Apps & Games content ratings on Google Play (opens in a new tab)Google Play Help — accessed
  2. International Age Rating Coalition (IARC) (opens in a new tab)International Age Rating Coalition — accessed
  3. Content rating requirements for apps, games, and the ads served on both (opens in a new tab)Google Play Console Help — accessed
  4. Parents (opens in a new tab)NRICH, University of Cambridge — accessed

About the author

— The independent app studio that builds the apps covered on this site and publishes every article here. On Google Play it publishes as Reign Collective Apps.

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