ResidualPlaybeta Open the radar

CastleMiner Z

DigitalDNA Games · 2014 · $5.99 · Action · deal grade B

Measured on 2026-09-25 23:34 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: $293 to $440 per month
  • Opportunity: $586 per month at x1.60 dormancy
  • Estimated lifetime owners: 596.0k
  • 81% positive across 11162 reviews · 11.4 reviews/month

Why it's flagged

  • Developer silent for 13 months
  • Studio quiet across its whole catalog
  • Last discounted 9 months ago, 2 sales in the last 12 months
  • Proven demand elasticity: x2.0 review velocity during past deep sales

Analyst notes (AI-assisted)

Note written 2026-09-11; the live figures above take precedence over any numbers in it.

CastleMiner Z is a voxel-based survival-action game from 2014 that blends Minecraft-style building with wave-defense combat and boss encounters.

This title maintains a devoted niche audience and solid residual revenue despite minimal marketing or updates since its 2014 launch. The game's high review sentiment (81%), strong retention among active players (47%), and low current player count (24 concurrent) suggest it is quietly profitable rather than truly dormant. For a small studio or catalog owner, the economics are defensible; for a publisher seeking revival, the aging codebase, lack of recent dev communication, and non-existent platform integration (no cards, cloud, workshop) present modest barriers to growth. Most realistic play: watch.

  • Risk: Engine age and lack of cloud save or modern platform features may limit portability and appeal to console/mobile buyers.
  • Risk: Core audience is nostalgic former Xbox players; new-player acquisition has stalled, with only 12 reviews posted per month on average.
  • Risk: Developer (DigitalDNA Games) shows studio_status 'fading' with no public posts in the past year, raising questions about long-term IP stewardship.

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