C15 - Steam Copies Sold & Revenue Statistics
Game information
Game information
Category Ranking History -
Steam Copies Sold & Revenue by Player Language
Game context & FAQ
Steam list price (this language tier)
USD storefront tier (default international): $5.99. USD reference tier: $5.99.
Since the first snapshot we logged on 2019-08-03, the Steam USD tier moved about -33%.
Quick answers
- What Steam list-price tier does GameSensor mirror for C15 on this localized page?
- Our snapshot on 2026-07-04 shows about $5.99 for the storefront tier paired with this language view, alongside a USD tier of $5.99. Those are informational list tiers before VAT or running discounts.
- How are Steam copies sold and gross revenue computed?
- They’re modeled estimates from Steam review throughput, inferred player languages, historical price ladders per currency, and whether the SKU was temporarily free-not official Valve financials. See the indie methodology guide for formulas.
- Where do I find language mix data for C15?
- Look for “Steam Copies Sold & Revenue by Player Language” above; it breaks review volume down by Steam’s detected languages, which also drives our regional revenue weighting.
- How volatile is the USD tier list price for C15?
- Between 2019-08-03 and the latest snapshot we store, the USD tier moved roughly -33%.
Information
C15 was released on Steam on August 3, 2019 and has been available for 11 months.
According to GameSensor analytics, in June 2026, the game sold >1K copies, generating a total Steam revenue of >$5K. These numbers reflect strong interest from players and steady commercial performance.
This is the 2th title released by aDeCon Production, demonstrating consistent production output and a stable release cycle.
A key factor driving the performance of C15 is its international audience. The Steam player-language distribution shows that users primarily play the game in:
• Russian
• English
• German.
Language distribution directly affects buying behavior, regional sales peaks, and long-term retention. Games with a diverse multilingual audience usually demonstrate stronger global performance and broader revenue stability.
The current Steam user rating for C15 is moderately.
Compared to the studio’s previous release - Corridor 15 Firts - the game currently holds a higher rating. Its sales performance is 247% higher relative to Corridor 15 Firts over the same number of days after release.
Overall, sales are 156% higher compared to the average performance of the last 3 paid titles released by aDeCon Production. This comparison helps position C15 within the studio’s broader commercial history.
Within the full catalog of the publisher aDeCon Production, C15 currently ranks 1 among the most financially successful projects on Steam.

C15: the storefront tied to USD storefront tier (default international) shows $5.99 as of 2026-07-04, with USD reference $5.99. We plug these tracked tiers into the review-based gross model.
Between the earliest stored tier and today, Steam’s USD list price shifted about -33% (tracked from 2019-08-03).