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Defenders of Delta

Review · Shooter · macOS · PC

Defenders of Delta

Reviewed: 26 Jun 2026

macOS · PC

navgl · 2023

Ludograph rating

B

Good

67 /100

Automated review
06010030Benefit →Low risk →B 50 · R 0
The Ludograph reading, plotted from the published benefit and risk sub-scores.

Growth (BDS)

50

Risk (RIS)

0

Daily limit

120min

Age guidance

13+

Developmental benefits

B1Cognitive
0.70
B2Social-emotional
0.03
B3Motor
0.70

Defenders of Delta, a challenging blend of tower defense and bullet hell, significantly engages cognitive skills. Players will develop strong problem-solving abilities, strategic thinking, and spatial awareness through optimal tower placement and navigating intense projectile patterns. The game also fosters critical thinking, memory, and attention as players adapt to escalating challenges and learn enemy behaviors.

Design risks

R1Compulsion-loop pressure
0.00
R2Monetization
0.00
R3Social risk
0.00

The 'bullet hell' genre can be intense and potentially frustrating, requiring players to practice emotional regulation. While the game lacks manipulative monetization or social risks, it features abstract violence inherent to a shooter, where players eliminate enemy units.

Content (not in risk score)

R4.1Violence Level
0.67
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 · 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.

ReviewedJun 2026Report a data error →How scores are calculated →

Parents ask…

Is Defenders of Delta safe for kids?

Ludograph gives Defenders of Delta a rating of 67/100, recommended for ages 13 and up. It offers solid benefits but needs parental guidance on the risks.

What age is Defenders of Delta appropriate for?

Ludograph's rubric recommends a minimum age of 13+ for Defenders of Delta, based on benefits, risks, and content review.

How long should kids play Defenders of Delta?

Our session recommendation for Defenders of Delta is up to 120 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 Defenders of Delta?

The 'bullet hell' genre can be intense and potentially frustrating, requiring players to practice emotional regulation. While the game lacks manipulative monetization or social risks, it features abstract violence inherent to a shooter, where players eliminate enemy units.