I'm having fun with Pulp -- I made this tiny bit of nostalgia to play with:
I am at a loss as to how to create a second game, though, so I can keep playing. Somewhere I saw a reference to a list of games, and a plus sign button that I should push, but when I try to access Pulp, I'm immediately redirected to my game ID in edit mode.
In the editor, hit Game in the top left. Then, on the right is a column called "Games" with all of the games you've made. Hit the plus at the top of the column to make a new one