Review · Action · PC · PlayStation · SEGA Saturn
Tunnel B1
Reviewed: 24 May 2026
PC · PlayStation · SEGA Saturn
Kaiko · 1996
Ludograph rating
Growth (BDS)
30
Risk (RIS)
0
Daily limit
120min
Age guidance
13+
Developmental benefits
| B1 | Cognitive | 0.34 | |
| B2 | Social-emotional | 0.00 | |
| B3 | Motor | 0.65 | |
Tunnel B1 offers a fast-paced arcade experience that sharpens spatial awareness, hand-eye coordination, and reaction time through challenging hovercraft combat and navigation. Players will engage in problem-solving as they strategize weapon upgrades and clear timed sectors.
Design risks
| R1 | Compulsion-loop pressure | 0.00 | |
| R2 | Monetization | 0.00 | |
| R3 | Social risk | 0.00 | |
As an older title, Tunnel B1 presents minimal modern manipulative design risks (R1-R3) and no social interaction risks. The primary risk lies in its combat-oriented gameplay, which involves destroying enemy vehicles.
Content (not in risk score)
| R4.1 | Violence Level | 0.67 | |
| 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.