Half-Life: Source

Valve · 2004 · $9.99 · Action · deal grade A

Measured on 2026-10-02 00:18 UTC, 4 days ago. The whole catalog is re-measured daily; a game that just launched can move fast between passes.

• Estimated net residual revenue: $2.2k to $3.3k per month
• Opportunity: $5.8k per month at x2.10 dormancy
• Estimated lifetime owners: 1.1M
• 69% positive across 16721 reviews · 51.7 reviews/month

Why it's flagged

• Developer silent for 13.1 years
• Studio active elsewhere (18 titles tracked), so this one may welcome a partner
• No Steam discount in 4.0 years (deepest tracked: -0%)

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