The Binding of Isaac

Edmund McMillen · 2011 · $4.99 · Action · deal grade A

Measured on 2026-09-24 10:27 UTC, 12 days ago. The whole catalog is re-measured daily; a game that just launched can move fast between passes.

• Estimated net residual revenue: $3.6k to $5.4k per month
• Opportunity: $5.8k per month at x1.30 dormancy
• Estimated lifetime owners: 3.7M
• 95% positive across 62905 reviews · 167.8 reviews/month

Why it's flagged

• Developer active, last post 8 months ago
• Studio active elsewhere (6 titles tracked), so this one may welcome a partner
• Store page localized in only 1 language(s)

Analyst notes (AI-assisted)

Note written 2026-08-25; the live figures above take precedence over any numbers in it.

The 2011 Flash-based original of the roguelike franchise that pioneered the genre's modern renaissance, now a dormant entry in a much-expanded series.

The Binding of Isaac holds solid four-figure monthly residuals on minimal overhead, driven by legacy nostalgia, low price point, and a devoted core audience unwilling to migrate fully to the enhanced Rebirth/Repentance sequels. The game is not acquisition material (Edmund McMillen retains ownership and remains active as publisher), but licensing a revival or a targeted content update could unlock latent demand from players who prize the original's simplicity and Danny Baranowsky's irreplaceable soundtrack. Risk is high that any intervention will cannibalise the sequels rather than expand the franchise footprint. Most realistic play: watch.

• Risk: Players explicitly recommend the sequels (Rebirth, Repentance) as superior products; revival messaging must position the original as a curated experience, not a stepping stone.
• Risk: Developer and publisher are the same entity; any deal requires McMillen's direct involvement, limiting scope to licensing or consulting arrangements.
• Risk: Flash-based architecture limits portability; community notes performance friction compared to Rebirth and inconsistency across platforms.

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