SHENZHEN I/O

Zachtronics · 2016 · $14.99 · Indie · deal grade B

• Estimated net residual revenue: $1.1k to $1.7k per month
• Opportunity: $3.0k per month at x2.10 dormancy
• Estimated lifetime owners: 241.9k
• 95%% positive across 4500 reviews · 17.8 reviews/month

Why it's flagged

• Developer silent for 3.9 years
• Studio active elsewhere (10 titles tracked), so this one may welcome a partner
• Last build shipped 3.9 years ago
• Store page localized in only 2 language(s)

Analyst notes (AI-assisted)

Zachtronics' 2016 electronics design puzzle game where players build virtual circuits and microcontrollers to solve engineering challenges.

SHENZHEN I/O has generated $780k lifetime net revenue on 242k units at a stable $1.4k/mo residual rate, with 95% positive reviews and consistent modest play activity 4.7 years post-launch. The game appeals to a niche but loyal STEM audience; it remains a quiet catalog performer for Zachtronics and a defensible evergreen indie title. Acquisition value is modest unless bundled with the studio's broader IP portfolio, but the title warrants monitoring for potential educational licensing or curriculum partnerships. Most realistic play: watch.

• Risk: Niche STEM puzzle audience limits addressable market and growth ceiling; sales velocity has been flat for 24 months.
• Risk: No post-launch updates in 47 months suggests development cycle has closed; modernization or platform expansion unlikely without new studio commitment.

This case as Markdown · Estimates carry ±30-50%% error per title.