If you are attempting to run this specific build, note the following developer recommendations from the Captivity Itch.io forum :
This archive contains the compiled executable and assets for a specific iteration of the game's testing phase. The "b" designation typically refers to a second "beta" iteration of the 1.0.5 branch, while the tag confirms that the build is compiled with internal debugging symbols enabled. Common Files in this Archive Captivity.exe: The main game executable. Captivity_v1.0.5bDebug.zip
: The local database file that handles game saves and configuration. If you are attempting to run this specific
: Essential library for database connectivity. Known Issues & Troubleshooting Captivity_v1.0.5bDebug.zip