The Zachtronics Solitaire Collection

Zachtronics · 2022 · $9.99 · Casual · deal grade B

Measured on 2026-09-26 10:39 UTC, 9 days ago. The whole catalog is re-measured daily; a game that just launched can move fast between passes.

Estimated net residual revenue: $589 to $883 per month
Opportunity: $957 per month at x1.30 dormancy
Estimated lifetime owners: 37.6k
98% positive across 1033 reviews · 11.8 reviews/month

Why it's flagged

Developer active, last post 1 months ago
Studio active elsewhere (9 titles tracked), so this one may welcome a partner
Store page localized in only 1 language(s)
Last discounted 3 months ago, 5 sales in the last 12 months
Proven demand elasticity: x1.3 review velocity during past deep sales

Analyst notes (AI-assisted)

Note written 2026-09-05; the live figures above take precedence over any numbers in it.

A curated collection of seven solitaire variants, mostly extracted from prior Zachtronics titles, plus one original game (Kabufuda), with minimalist presentation and historical context.

This title punches well above its player count: nearly perfect sentiment, solid residual margins, and a devoted core audience that logs 50+ median hours. It's a quiet catalog success for a respected indie studio with active post-launch engagement. The opportunity lies not in scaling aggressively, but in licensing the individual solitaire mechanics (especially Fortune's Foundation, which players cite as a standout) to partners, or in treating it as a retention tool within a larger Zachtronics bundle or publishing deal. Most realistic play: licensing.

Risk: Solitaire is a saturated category on Steam; differentiation relies on Zachtronics' brand and mechanical depth rather than novelty.
Risk: Five discount promotions in 12 months suggest modest price elasticity; further discounting may cannibalize full-price sales without expanding the addressable player base.
Risk: Lack of seed-input and undo functionality (two frequently mentioned gaps) limits replay appeal and community-driven challenge ecosystems.

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