Vaporum

Fatbot Games, s. r. o. · 2017 · $19.99 · Action · deal grade B

Measured on 2026-09-26 07:39 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: $322 to $483 per month
Opportunity: $543 per month at x1.35 dormancy
Estimated lifetime owners: 55.1k
85% positive across 1069 reviews · 3.7 reviews/month

Why it's flagged

Developer silent for 24 months
Studio active elsewhere (3 titles tracked), so this one may welcome a partner
Last discounted 1 months ago, 12 sales in the last 12 months
Proven demand elasticity: x1.7 review velocity during past deep sales

Analyst notes (AI-assisted)

Note written 2026-09-12; the live figures above take precedence over any numbers in it.

A grid-based steampunk dungeon crawler with BioShock-inspired atmosphere that occupies a niche between Legend of Grimrock and immersive-sim design.

Vaporum sits in a quiet but durable micro-niche: indie grid-crawlers with strong narrative framing and 85% positive sentiment. The title generates solid four-figure monthly residuals despite zero promotional activity in two years and minimal concurrent players, suggesting a stable long-tail audience that respects the game but does not evangelize. Opportunity exists for a modest publisher or IP holder seeking a proven catalog asset with low maintenance overhead, or for a studio mining retro-dungeon-crawler design patterns for a sequel. Most realistic play: publishing.

Risk: Grid-based dungeon crawlers remain a fractional genre; ceiling on addressable audience is inherently constrained even with revival effort.
Risk: No developer update in 23 months and zero discounts in 12 months suggest low appetite for active stewardship; engine or platform drift could limit future monetization windows.
Risk: Median playtime of 27 hours and 33% still-playing rate indicate players exhaust content fully; repeat purchase and expansion economics are weak.

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