Lost Castle / 失落城堡

Hunter Studio · 2016 · $9.99 · Action · deal grade B

• Estimated net residual revenue: $1.4k to $2.1k per month
• Opportunity: $2.3k per month at x1.30 dormancy
• Estimated lifetime owners: 1.2M
• 87%% positive across 23936 reviews · 33.2 reviews/month

Why it's flagged

• Developer active, last post 4 months ago
• Studio active elsewhere (2 titles tracked), so this one may welcome a partner
• Last build shipped 22 months ago
• Last discounted 1 months ago, 10 sales in the last 12 months
• Proven demand elasticity: x1.3 review velocity during past deep sales

Analyst notes (AI-assisted)

Lost Castle is a 2D pixel-art action-RPG with co-op multiplayer and roguelike elements, originally released in 2016.

Lost Castle maintains solid engagement (86.5% positive, 33 reviews/mo) and has generated $2.57M lifetime on modest sales velocity, indicating loyal core players and strong word-of-mouth in its niche. The $1.78K/mo residual suggests a quiet but resilient catalog title suited for patient publishers seeking co-op evergreen IP or indie portfolio builders looking for proven backlist content with minimal ongoing maintenance. Most realistic play: acquisition.

• Risk: Co-op action-RPGs are saturated; growth depends on platform expansion (mobile, console ports) rather than Steam organic lift.
• Risk: At 21+ months old with 4-month dev silence, codebase may require modernization for engine updates or platform porting.
• Risk: Single-developer studio (1 title) introduces continuity risk if ownership or support requirements shift post-acquisition.

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