Is it a virus?
No.
How to start game in debug mode?
-agentlib:zbNative -- -debug
OR
-javaagent:ZombieBuddy.jar -- -debug
Do I need to repeat manual installation after I upgrade/downgrade/validate game?
No, if you use the default launcher and have agentlib in Steam launch options.
Yes, if ZombieBuddy stops loading.
Works on MP?
Yes.
Save compatibility?
Safe to add or remove on existing saves.
I clicked the wrong button in the approval dialog. How do I reset it?
Open mod_approvals.json (path above), under 'mods' find your mod id, then remove or edit the SHA-256 key you want to reset (or change true/false), save, and restart.
Can I see which Java mods were loaded or blocked?
Yes - install Zed's Better ModList and the status is shown next to each JAR path in the mod list.
Supported game versions?
B41, B42.12-B42.21
Can I hide ZB watermark?
Yes, in ModOptions. During game boot it is always visible.