Proteus

Ed Key and David Kanaga · 2013 · $9.99 · Adventure · deal grade C

Measured on 2026-09-26 05:57 UTC, 10 days ago. The whole catalog is re-measured daily; a game that just launched can move fast between passes.

• Estimated net residual revenue: $98 to $147 per month
• Opportunity: $233 per month at x1.90 dormancy
• Estimated lifetime owners: 107.0k
• 76% positive across 2805 reviews · 2.3 reviews/month

Why it's flagged

• Developer silent for 4.5 years
• Studio inactive: no public activity across 1 tracked titles
• 49% of reviews come from key activations (excluded from revenue estimates)
• Store page localized in only 1 language(s)
• Last discounted 3 months ago, 4 sales in the last 12 months
• Proven demand elasticity: x1.3 review velocity during past deep sales

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