Mystery Case Files®: 13th Skull™ Collector's Edition

Mystery Case Files®: 13th Skull™ Collector's Edition is a paid game tracked on Publisher Kayfabe with real-time Steam concurrent player counts (CCU), Twitch viewer data (CCV), review sentiment, and pricing history. It is published by BFG Entertainment. Publisher Kayfabe provides first-party data only — no estimates, no third-party panels.

Mystery Case Files®: 13th Skull™ Collector's Edition currently has 0 active predictions (calls) and 0 open propositions from Publisher Kayfabe analysts. The current Steam CCU is 0. These numbers update every 15 minutes from first-party sources.

Tap any number on the Mystery Case Files®: 13th Skull™ Collector's Edition page to predict whether it will go up (▲) or down (▼). Your prediction is recorded at the exact value shown and tracked against the live number over time. Your accuracy builds your PlayerBadge — a visual track record that other users can see.

Mystery Case Files®: 13th Skull™ Collector's Edition currently has 0 concurrent players on Steam. This number updates every 15 minutes from Steam's official API. Publisher Kayfabe tracks CCU history going back to when the game was first added to our catalog.

Calls on Mystery Case Files®: 13th Skull™ Collector's Edition are resolved by comparing the metric value at the time of your call to the current live value. If you called ▲ (up) and the number went up, your call is marked correct (✓). If it went down, it's marked wrong (✗). Changes under 0.5% are considered flat. Your overall accuracy contributes to your PlayerBadge and track record.

Yes. Tap the ★ (star) icon on any Mystery Case Files®: 13th Skull™ Collector's Edition row to add it to your Watchlist. You'll see Mystery Case Files®: 13th Skull™ Collector's Edition on your personal Watchlist page and get delta notifications when you return to the site via the "Since You Left" feature.

Publisher Kayfabe uses first-party data only — Steam's official API for player counts, reviews, and pricing, and Twitch's Helix API for viewership. We do not use estimates, surveys, or third-party data panels. Every number on the Mystery Case Files®: 13th Skull™ Collector's Edition page comes directly from the platform that generated it.

Find any game on the Market page, tap a CCU or CCV number, and choose ▲ (up) or ▼ (down). Your call is instantly recorded. Come back later to see if you were right. After 3 resolved calls, you earn a PlayerBadge — a visual indicator of your bull/bear lean and accuracy.

Percentile rankings on Publisher Kayfabe show where a game sits relative to the entire tracked catalog. A game at p90 has more concurrent players than 90% of all tracked games. Rankings update daily.

Check the Mystery Case Files®: 13th Skull™ Collector's Edition page on Publisher Kayfabe for live trend data including CCU direction (rising/falling), Twitch viewer momentum, review sentiment changes, and active analyst predictions. The Lens chart shows the full trajectory with configurable time ranges (14D, 90D, 1Y, All).

Publisher Kayfabe features anonymous analyst commentary called Blinds — insights attributed to track record, not identity. Each Blind shows the poster's PlayerBadge (bull/bear lean, accuracy, call volume) so you can weigh the signal. Blinds with attached propositions get permanently marked ✓ or ✗ when they resolve.

Publisher Kayfabe is a real-time Steam and Twitch intelligence platform tracking 10.0K+ games with 15-minute data resolution. Make predictions on player counts, review sentiment, and pricing. Build a track record. Earn a PlayerBadge. Numbers are the product.