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World of Goo

Review · Strategy · Android · Wii · Nintendo Switch

World of Goo

Reviewed: 04 May 2026

Android · Wii · Nintendo Switch · Linux · macOS · PC · iOS

2D BOY · 2008

Ludograph rating

C

Mixed

50 /100

World of Goo is a puzzle game that builds problem solving and spatial awareness as players construct structures with goo balls.

06010030BenefitLow riskB 36 · R 16
The Ludograph reading, plotted from the published benefit and risk sub-scores.

Growth (BDS)

36

Risk (RIS)

16

Daily limit

90min

Age guidance

6+

Developmental benefits

B1Cognitive
0.62
B2Social-emotional
0.17
B3Motor
0.35

World of Goo is an exceptional puzzle game that develops spatial reasoning and physics intuition as children experiment with structural engineering using goo balls. Its escalating level design naturally builds problem-solving confidence, requiring players to think creatively about balance, tension, and geometry. The game subtly introduces systems thinking and basic physics concepts in a way that transfers meaningfully to real-world STEM understanding.

Design risks

R1Compulsion-loop pressure
0.00
R2Monetization
0.00
R3Social risk
0.00

World of Goo has virtually no manipulative design — it is a premium one-time purchase with no in-app purchases, no ads, no streaks, and no engagement hooks. The only mild risk is the "one more level" appeal of well-designed puzzles, but the game provides clear stopping points after every level and imposes no penalty for putting it down.

Content (not in risk score)

R4.1Violence Level
0.00
R4.2Sexual Content
0.00
R4.3Language
0.00
R4.4Substance References
0.00
R4.5Fear / Horror
0.00

Content risk is displayed separately and does not affect the time recommendation.

Regulatory design checks · DSAAssessed: meets criteria·GDPR-KAssessed: meets criteria·ODDSAssessed: meets criteria

  • DSA:What Ludograph checks: whether the game's design gives minors the transparency the EU Digital Services Act expects: plain terms, honest defaults, and clear reporting routes.: Estimated from review data. No dark pattern or child-targeting concerns found.
  • GDPR-K:What Ludograph checks: whether age assurance and consent flows are designed for under-16s, in the spirit of GDPR Article 8.: Estimated from review data. No privacy or child-targeting concerns found.
  • ODDS:What Ludograph checks: whether paid random-reward drop rates are disclosed, as required in China, Japan and South Korea.: Estimated from review data. No paid random-reward mechanics found, so drop-rate disclosure requirements do not apply.

These reflect Ludograph's assessment of the game's design practices against each framework's criteria, not a legal compliance determination.

Parents ask…

Is World of Goo safe for kids?

Ludograph gives World of Goo a rating of 50/100. It delivers genuine benefits but carries design risks that deserve a close look.

How long should kids play World of Goo?

Our session recommendation for World of Goo is up to 90 minutes per day. It is derived from the game's own structure (natural stopping points, compulsion-loop design, monetization pressure, and social dynamics), not from a universal screen-time dose.

Session recommendations are design-based heuristics. Evidence linking specific daily durations to child outcomes is limited, and context matters as much as time; treat this as a starting point for household rules, not a clinical threshold.

What are the main risks of World of Goo?

World of Goo has virtually no manipulative design — it is a premium one-time purchase with no in-app purchases, no ads, no streaks, and no engagement hooks. The only mild risk is the "one more level" appeal of well-designed puzzles, but the game provides clear stopping points after every level and imposes no penalty for putting it down.