ResidualPlaybeta Open the radar

Sister Travel

Inusuku · 2019 · $14.99 · Adventure · deal grade B

Measured on 2026-10-02 20:41 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: $337 to $505 per month
  • Opportunity: $800 per month at x1.90 dormancy
  • Estimated lifetime owners: 29.9k
  • 83% positive across 786 reviews · 5.2 reviews/month

Why it's flagged

  • Developer silent for 4.5 years
  • Studio active elsewhere (2 titles tracked), so this one may welcome a partner
  • Store page localized in only 2 language(s)
  • Last discounted 0 months ago, 12 sales in the last 12 months
  • Proven demand elasticity: x1.2 review velocity during past deep sales

Analyst notes (AI-assisted)

Note written 2026-09-07; the live figures above take precedence over any numbers in it.

Sister Travel is a 2019 adventure title from Kagura Games featuring narrative-driven gameplay centered on family relationships.

This title generates solid residual revenue each month despite minimal marketing activity and a dormant developer presence (no posts in 53 months). The overwhelmingly positive sentiment among its core audience and stable review flow suggest a niche audience willing to recommend it. However, the vanishingly small active player count, zero discount activity in 12 months, and opaque community feedback make this a low-risk but low-reward watch rather than an acquisition target. Best suited for publishers exploring catalog depth in underserved regional markets, particularly given strong engagement signals from Chinese-language players. Most realistic play: watch.

  • Risk: Extremely small active player base (5 peak in last 30 days) suggests limited ceiling for revival or monetization expansion.
  • Risk: No developer communication in over four years; engine modernization or technical debt unknown.
  • Risk: Sentiment has deteriorated sharply (−58 percentage points recent vs. all-time), signaling possible content or narrative backlash that review text does not clarify.

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