Known issueFixUpdated · 5 replies on Steam
Bongo Waifu: 2 Monitor Problem! (Workarounds)
Short answer
Suggested fix (unconfirmed): Disable the "Always on top" setting in your programs. Alternatively, move the application window on top of your game window.
The problem
I use 2 monitor, when i play other game the mouse cursor will loose from another monitor that bad, how to fix it. i want to leave this game open because the click will go on and also item drop time will count.
What players suggest
If I understand the issue correctly, this is not actually an issue with Bongo Waifu and actually an issue with your other game taking exclusive control of your mouse. Bongo Waifu attempts to override this by spanning across the entire display window but that does not include the 2nd monitor (or more in my case) If moving Bongo Waifu on-top of your game window fixes most of the issues, I…
Don't work On top or not so weird EDIT: seem to works
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Source: original Steam Community discussion. Quotes are shortened; all credit goes to the posters.