Create One more sheet and add create one calculation with text.
like 'Drill Down to See Dashboards'
Drag each calculation in sheet text and select shape to add any shape.
Drag this into new dashboard and add actions with menu option with relevant dashboards.
Select the shape and get drill down view.
add the URL parameter :tabs=n to the viz url, the tab bar will disappear, but, as long as you've published with "Show Sheets as Tabs," your filter actions will continue to function as normal.
Workaround.twbx 2.2 MB
Well, there is a summary dashboard which is linked by two others dashboards using action filter. Users want to click on any cell on summary view and from the menu they will navigate to the desired dashboard.