How to Update a Game Using the old gamename.tsg file with TCMGT(TheC64 Maxi Game Tool) (For Project Carousel USB)
Make a folder on the USB Drive/Stick in the 0 to G/games(or H_to_R/games, S_to_Z/games or 0_fav/games) folder, called it Other and cut and paste the gamename.tsg file only that you want to change from the 0 to G/games(or H_to_R/games, S_to_Z/games or 0_fav/games) folder to the Other folder.
Open gamename.tsg up with Notepad that in the Other folder so you can see inside it and read it, now start TCMGT in 0 to G folder and click Add and copy everything from the gamename.tsg file to the Add game box then click on OK when you have finished, that game is now added with a new gamename.tsg and has a proper name.
Now double click on the game you just added to TCMGT to run it in Vice and wait for the game to load up and then bypassing the crack screen and then click on snapshot (when you see the game menu) on the VICE menu(top menu)and click on Save snapshot and tick the 2 tick boxes(Save currently attached disk images, Save currently attached ROM images)at the bottom of the Save snapshot image box and name it whatever you like then click Save button to save the snapshot and remember where you saved it too, now close VICE, click on Edit button(TCMGT) on the game you just added and add the snapshot you made in Vice to "File Path... Game" on the Edit game box and click on the button with the 3 dots(...) next to it "Game" to add the snapshot to add the snapshot you made in VICE and click on OK button to finish..
Once your finished with the tsg files in Other folder, just delete them inside it.
Now you can edit the game with TCMGT anytime you want.