Girl in a jacket
5 minutes
in total
Girl in a jacket
30 seconds
per level
Girl in a jacket
Multiple choice
Girl in a jacket
Bubbles of math questions
Girl in a jacket
engaging game
Girl in a jacket
Online, all browsers and devices
Girl in a jacket
Gaming technology and data points
Girl in a jacket
Anti-cheating measures
Girl in a jacket

Hire best-fit top talent using science-backed game-based assessments. View plans


Our Pre-employment MathBubbles™ Game:

  • Involves calculating and selecting the correct sum to reach a target number
  • Measures mental arithmetic: ability to quickly calculate numerical sums correlates to how candidates might naturally handle numerical information under time pressure
  • Measures technical ability
  • Modern game-based assessment offering a more engaging candidate experience
  • Designed, developed and scientifically validated by former SHL and IBM Kenexa Chartered Psychologists, Scientists and Psychometricians
  • Benchmarked scores based on large control groups for standardized and valid comparisons
  • Inclusive, fair, without bias
  • Include adjustments for disabilities
  • Include anti-cheating measures
  • User-friendly interface and easy to play with clear instructions and objectives: no prior gaming experience needed
  • Fully compliant with current industry practices


Our MathBubbles™ Game for selection offers:

1Fast and Cost-effective Hiring Process

  • Our automated MathBubbles™ Game streamlines your recruitment process
    • save time by adding the MathBubbles™ Game and inviting thousands of candidates in minutes
    • immediately access candidate results in one click
    • quickly and efficiently set threshold criteria to select best-fit candidates with the required mental arithmetic abilities
    • reduce your workload with an easy-to-navigate game software automating administrative tasks and decreasing time-to-hire
  • Less than £1 per candidate with our most popular package for the use of ALL game-based assessments

2An engaging and positive candidate experience

  • Our interactive and vibrant MathBubbles™ Game is designed to:
    • sustain candidate interest and engagement throughout the hiring process
    • reduce candidate stress and anxiety
    • enhance your company image as innovative and dynamic to stand out against competition
    • attract and hire the next generation of candidates who are more familiar with technology and may find MathBubbles™ Game appealing
    • reduce application withdrawals

3Reduction of conscious and unconscious bias

  • Set flexible cut-offs to give all candidates an equal opportunity
  • Data-driven: select candidates based on tracked and analyzed data on mental arithmetic skills, not biases such as:
    • gender
    • ethnicity
    • race
    • sexual orientation
    • background
    • education
  • Measures conscious and unconscious behaviour: more suitable for neurodivergent candidates
  • Our scientifically-tested assessments ensure compliance of your company’s recruitment process and are legally defensible
  • Ensure a more diverse and inclusive workforce

MathBubbles™ Game Use Cases

Most suitable for:

  • Early-stage screening and initial evaluation, routine selection, and pre-interview shortlisting
  • High-volume recruitment and testing
  • In-person assessment
  • Proactive hiring: creation of talent pools of pre-screened candidates

Target audience:

  • Early Careers (Graduates, Interns, Apprentices)
  • Professionals (Specialists, Managers)


  • Relevant for most sectors
  • In particular: Finance, Banking, Consulting, Sales, Engineering, Technology, Retail, Accounting


  • Relevant for most roles, especially those requiring strong and fast mental arithmetic abilities
  • Example roles: Financial Analyst, Engineer, Consultant, Accountant, Data Analyst, Sales Analyst, IT Specialist, Internal Auditor

Tips when using the
Pre-Hire MathBubbles™ Game

Get the most out of our MathBubbles™ Game-based Assessment for hiring:

  • At later stages of recruitment, accompany the MathBubbles™ Game with other candidate selection tools, such as:
    • structured job interviews
    • assessment center exercises
  • Research shows using multiple assessment methods increases the validity of results significantly
  • This ensures fully-informed, objective hiring decisions

Shortlist best-fit candidates in 3 simple steps:

First Feature


Set up your assessment campaign in 4 fast and seamless steps.
First Feature

2 Assess candidates

Invite candidates to take tests on our accessible, easy-to-use platform.
First Feature

3 Select Candidates

Filter rank-ordered candidates fast to select your top talent.

Frequently Asked Questions

For what industries can I use the Assess Candidates MathBubbles™ Game in my hiring?

The Assess Candidates MathBubbles™ game is versatile and can be included in recruitment plans across various industries to evaluate mental arithmetic. It is particularly relevant for industries which involve fast handling of numerical information.

How should I combine the Assess Candidates MathBubbles™ Game-based Assessment with other hiring tools?

Assess Candidates offers end-to-end assessments you may combine together depending on the recruited role. Our portal provides various other game-based assessments as well as pre-employment psychometric tests and video interviews to paint well-rounded pictures of candidates. There is no limit to the number of different tests you can use in your campaign.

How do Assess Candidates ensure objectivity of the MathBubbles™ Game?

It is our priority to design game-based assessments free of bias. We use science and experience to create the MathBubbles™ Game which objectively assesses candidates' mental arithmetic. All our game-based assessments also include functionalities for candidates who may need additional requirements and are suitable for neurodivergent candidates.

How effective is the Assess Candidates MathBubbles™ Game-based Assessment in hiring?

Assess Candidates MathBubbles™ game-based assessment follows the same process of scientific research and validation as our traditional psychometric tests, demonstrating their effectiveness. Our game-based assessments have undergone industry-standard design procedures and rigorous scientific reviews by former SHL and IBM Kenexa chartered psychometricians to ensure they accurately predict candidates’ technical skills, behaviors, and preferences in the workplace.

Where in my recruitment process should I use the Assess Candidates MathBubbles™ Game?

The Assess Candidates MathBubbles™ game is typically used during the early stages of the recruitment process in order to sift or screen candidates in combination with psychometric tests. The MathBubbles™ game adds extra information about candidates' mental arithmetic abilities to aid your decisions when shortlisting only the most qualified to invite to the next stage of recruitment. They are particularly beneficial for graduate scheme recruitment to screen high volumes of applicants.

How difficult is the Assess Candidates MathBubbles™ Game?

The Assess Candidates MathBubbles™ Game does not require any prior gaming experience and includes clear instructions and objectives for candidates. The game is an interactive and engaging task designed to reduce candidate stress, anxiety and boredom during the recruitment process. The main difficulty for candidates is that game-based assessments can be a new and unknown concept.

How much does the Assess Candidates MathBubbles™ Game-based Assessment cost?

All eight game-based assessments, including the MathBubbles™ Game, are included in all Assess Candidates plans. Please get in touch with our team to discuss pricing.

What does the Assess Candidates MathBubbles™ Game measure?

The Assess Candidates MathBubbles™ Game measures one aspect of numerical aptitude, specifically mental arithmetic. Candidates who score highly tend to naturally handle numerical information well under time pressure in the workplace. They also perform better and stay longer.

What support does Assess Candidates offer in candidate assessment?

The Assess Candidates Support team is always here to help our clients. We offer technical support included in all our plans and a dedicated Client Relationship Manager for our ‘Unlimited Use 12-months’ and ‘Corporate’ plans.

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Ready to start hiring? Write to us, or try for free and assess candidates in minutes.