Review · Family · iOS
Cogs HD
Reviewed: 26 May 2026
iOS
Lazy 8 Studios · 2010
Ludograph rating
Growth (BDS)
40
Risk (RIS)
0
Daily limit
120min
Age guidance
–
Developmental benefits
| B1 | Cognitive | 0.62 | |
| B2 | Social-emotional | 0.00 | |
| B3 | Motor | 0.45 | |
Cogs HD is a puzzle game that significantly challenges cognitive skills such as problem-solving, spatial awareness, and strategic thinking. Players must creatively manipulate gears, pipes, and other widgets to build complex machines in both 2D and 3D environments. The game encourages learning transfer as players apply learned mechanics to increasingly complex challenges. The various game modes (Inventor, Time Challenge, Move Challenge) offer adaptive challenges that cater to different playstyles and skill levels.
Design risks
| R1 | Compulsion-loop pressure | 0.00 | |
| R2 | Monetization | 0.00 | |
| R3 | Social risk | 0.00 | |
Cogs HD presents minimal to no risks across all categories. It does not contain any compulsion-loop design, monetization pressures, social risks, or concerning content. The game is a straightforward puzzle experience focused on intellectual challenge.
Content (not in risk score)
| R4.1 | Violence Level | 0.00 | |
| R4.2 | Sexual Content | 0.00 | |
| R4.3 | Language | 0.00 | |
| R4.4 | Substance References | 0.00 | |
| R4.5 | Fear / Horror | 0.00 | |
Content risk is displayed separately and does not affect the time recommendation.
Regulatory design checks · DSA — Assessed: meets criteria·GDPR-K — Assessed: meets criteria·ODDS — Assessed: 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.