Molecular puzzler is smart but a bit bland.

What parents need to know

Positive messages

A logic game at its core, Molecubes encourages problem solving and critical thinking, but there aren't any overtly positive or negative messages.

Positive role models

There are no characters.

Ease of play

The tutorial is a good guide throughout, but the difficulty of play rises sharply at the end. Controls are intuitive but occasionally don't quite work. Difficulty doesn't scale. The graphics make differentiating between options slightly confusing. 


If kids are not careful, the avatar may "die," from exposure to fire or strong acids or bases. The avatar regenerates, and kids begin again.

Not applicable
Not applicable
Not applicable
Drinking, drugs, & smoking
Not applicable

Parents Need to Know

Parents need to know that Molecubes is a logic puzzle game with incidental chemistry learning about states of matter and pH. It includes minor violence but is overall a positive experience. It may be overly simple for older kids and too difficult for younger kids, but it's a relevant learning experience for kids in the target age group.

What kids can learn



  • chemistry
  • energy
  • substance properties


Thinking & Reasoning

  • logic
  • solving puzzles

Engagement, Approach, Support


The mechanics are a bit basic, but the puzzles engross students with interesting challenges and gradual progression. The audiovisual experience isn't top-notch, but it's not distracting. 

Learning Approach

Molecubes weaves basic chemistry lessons with transferrable logic skills, but it could dig deeper into content. 


With no outside resources or extensions, Molecubes stands alone. But it has a thorough, helpful tutorial.

What kids can learn



  • chemistry
  • energy
  • substance properties


Thinking & Reasoning

  • logic
  • solving puzzles

Kids can learn valuable logic-puzzle-solving skills in conjunction with the basic concepts behind how pressure and temperature affect the states of solids, liquids, and gasses. They'll also test liquids for their pH levels, introduce new liquids to attempt to neutralize strong acids and bases, and learn about splitting bonds and creating flammable materials. The game touches on some desirable chemistry content but overall feels a bit underwhelming.

This Learning Rating review was written by Jenny Bristol

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What's it about?

Kids move an avatar within a small grid, pushing blocks around and changing them from solids to liquids, gases, or flammable materials, sometimes changing the pH. Using the blocks plus fire and litmus test strips, kids try to clear obstacles to complete each level.

Is it any good?


With thorough tutorial cues built in, MOLECUBES eases kids into an experience that builds both chemistry knowledge and logic skills. The chemistry concepts are integral rather than tacked on to the puzzle solving, so, although it's an educational game, it has good core mechanics. The bland visuals and occasionally unreliable controls may frustrate some kids, but those who keep at it will enjoy a decent amount of fun and learning.

Families can talk about...

  • Families can discuss how logic games can affect school performance.

  • Play Sokobond, another chemistry-based puzzle game, and discuss how the two compare and contrast.

Game details

Platforms:Linux, Mac, Windows
Price:$2.49 individual; $22.20 classroom
Pricing structure:Paid
Available online?Available online
Developer:Filament Games
Release date:November 30, 2013
Topics:Science and nature
ESRB rating:NR

This review of Molecubes was written by

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Our star rating assesses the media's overall quality.

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Learning ratings

  • Best: Really engaging; great learning approach.
  • Very Good: Engaging; good learning approach.
  • Good: Pretty engaging; good learning approach.
  • Fair: Somewhat engaging; OK learning approach.
  • Not for Learning: Not recommended for learning.
  • Not for Kids: Not age-appropriate for kids; not recommended for learning.

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About Our Rating System

The age displayed for each title is the minimum one for which it's developmentally appropriate. We recently updated all of our reviews to show only this age, rather than the multi-color "slider." Get more information about our ratings.

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