You should get a daily gift that can be resources of any amount and once and a while but a super rare chance get some shiny press that "+" button if you think so too
They need to make it so were you keep you're monsters if they don't die but they keep the life that they return at so next time you launch them into battle they are already weak
 "Backyard Monsters (removed)"){kind=icon}
 "Realm of the Mad God"){kind=icon}
 "Skincraft"){kind=icon}
 "roll that ball"){kind=icon}
 "The Space Game: Missions"){kind=icon}
 "Splitter 2"){kind=icon}
 "Block Racer"){kind=icon}
 "Epic RPG EverQuest"){kind=icon}
 "Antbuster"){kind=icon}
 "Fat Cat"){kind=icon}