
Review · Adventure · PC
BUY SELL
Reviewed: 18 Jun 2026
PC
Hermit · 2025
Ludograph rating
Growth (BDS)
47
Risk (RIS)
21
Daily limit
90min
Age guidance
7+
Developmental benefits
| B1 | Cognitive | 0.76 | |
| B2 | Social-emotional | 0.13 | |
| B3 | Motor | 0.25 | |
BUY SELL is a strategic deck-building roguelike that significantly develops cognitive skills such as problem-solving, strategic thinking, critical thinking, and adaptive challenge. Players must skillfully combine products, manage transactions with diverse customers, and strategically counter random 'abuse of power' events to maximize profits within a 5-day limit. This fosters strong analytical and decision-making abilities.
Design risks
| R1 | Compulsion-loop pressure | 0.43 | |
| R2 | Monetization | 0.00 | |
| R3 | Social risk | 0.06 | |
While offering strong cognitive benefits, BUY SELL incorporates some mild compulsion-loop design common in roguelikes, such as variable rewards, loss aversion from failing runs, and escalating commitment within a run. However, it avoids aggressive monetization tactics, social risks, and has minimal content risks. The primary engagement drivers are the inherent challenge and strategic depth rather than manipulative design.
Content (not in risk score)
| R4.1 | Violence Level | 0.33 | |
| R4.2 | Sexual Content | 0.00 | |
| R4.3 | Language | 0.33 | |
| R4.4 | Substance References | 0.00 | |
| R4.5 | Fear / Horror | 0.33 | |
Content risk is displayed separately and does not affect the time recommendation.
Regulatory design checks · DSA — Assessed: meets criteria·GDPR-K — Not yet assessed·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.
- 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.