Quick answer: Your game is crashing more after launch because launch exposes latent bugs at scale: far more players than testing, on hardware you never tried, doing things you never anticipated, plus (for online games) real server load. The crashes are mostly latent bugs that were always present but only manifest under launch's scale and diversity, not new bugs, which is why the crash count jumps even though the build didn't change.
A spike in crashes after launch is alarming but expected: launch is the first time your game faces real scale and diversity, and that exposes crashes that internal testing never could. The crashes feel new, but they're mostly latent bugs surfaced by conditions only a large, diverse player base provides.
Why Crashes Increase at Scale
Your testing ran on a handful of machines with a few testers under no real load. Launch changes all three at once, and that exposes more crashes. Hardware diversity: thousands of players on GPUs, drivers, and OS versions you never tested surface compatibility crashes specific to hardware you don't own. Player behavior: a huge number of players doing unanticipated things hit edge cases and sequences no tester tried. Volume: even rare crashes occur more in absolute terms with vastly more players. And server load: real concurrent load surfaces scale-dependent server crashes.
So more crashes after launch is the predictable result of scale and diversity exposing latent bugs, plus simple volume (rare bugs hit more often with more players). The crashes were mostly always there; launch's conditions revealed them.
How to Diagnose and Fix It
You need to see and rank the crashes fast: capture them automatically from players' machines (you can't reproduce most), group them so the increase collapses into distinct causes, and rank by how many players each affects. Bugnet's real-time crash reporting captures crashes with context as they happen, occurrence grouping collapses the volume into a handful of ranked issues, and version tagging confirms whether any are regressions (new on the launch build) versus latent bugs exposed by scale.
Fix from the top, the highest-occurrence crashes affect the most players and each fix drops the crash count. Hardware-specific crashes get targeted workarounds; edge-case crashes usually point at a code path in the trace. See our guides on surviving the first 48 hours after launch and handling a flood of crashes at launch.
More crashes after launch is scale exposing latent bugs, more players, more hardware, more behavior than testing covered. Capture and rank them fast; they were mostly always there, just now triggered.