ADACA

Siris Pendrake · 2022 · $24.99 · Action · deal grade B

Measured on 2026-10-02 19:30 UTC, 3 days ago. The whole catalog is re-measured daily; a game that just launched can move fast between passes.

• Estimated net residual revenue: $358 to $537 per month
• Opportunity: $850 per month at x1.90 dormancy
• Estimated lifetime owners: 34.5k
• 92% positive across 900 reviews · 2.9 reviews/month

Why it's flagged

• Developer silent for 2.6 years
• Studio active elsewhere (2 titles tracked), so this one may welcome a partner
• Store page localized in only 1 language(s)
• Last discounted 0 months ago, 4 sales in the last 12 months
• Proven demand elasticity: x1.3 review velocity during past deep sales

Analyst notes (AI-assisted)

Note written 2026-08-23; the live figures above take precedence over any numbers in it.

ADACA is a single-developer Half-Life-inspired FPS with a linear campaign and an open-ended procedural exploration mode called Zone Patrol.

This is a quiet 2022 release earning $895/mo residual with a 91.6% positive rating and strong per-player engagement (18h median). The developer has already shipped a successor (Project Silverfish) and maintains studio operations; the core IP and mechanics show genuine appeal in a crowded retro-shooter space. Opportunity is modest but real for a publishing partner willing to amplify discovery or for a studio evaluating back-catalog acquisition to retain recurring revenue and potential IP licensing. Most realistic play: publishing.

• Risk: Half-Life homages are endemic; ADACA's differentiation (gravity hand, Zone Patrol) is strong but niche, and the 4 players online suggest limited multiplayer draw or community depth.
• Risk: One review mentions crashes; no achievements, cloud save, or workshop integration signals technical debt or resource constraints that may limit platform appeal.
• Risk: Developer appears focused on Project Silverfish; ADACA may be deprioritized, leaving residual revenue as passive income rather than growth opportunity.

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