ResidualPlaybeta Open the radar

Summer Islands

Marttalin Games · 2025 · $14.99 · Casual · deal grade D

Measured on 2026-10-01 10:11 UTC, 4 days ago. The whole catalog is re-measured daily; a game that just launched can move fast between passes.

  • Estimated net residual revenue: $388 to $582 per month
  • Opportunity: $485 per month at x1.00 dormancy
  • Estimated lifetime owners: 7.6k
  • 81% positive across 196 reviews · 3.9 reviews/month

Why it's flagged

  • Developer active, last post 2 months ago
  • Last discounted 2 months ago, 8 sales in the last 12 months

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