Gamma doesn't currently have a formal way to merge two gamma pages together, but it is possible to bulk copy and paste cards from one into another.
Go into the gamma you'd like to merge, and hit
cmd+a
(orctrl+a
) twice to select all of its cards.Then copy them using using
cmd+c
/ctrl+c
and paste them usingcmd+v
/ctrl+v
into the other gamma. They should retain all of their content and formatting, but inherit the theme from the new page.