The first thing to know is that lacking a mouse (or a reliable one) is not the end of the world. Far from it. There are plenty of games that don't require a broad range of motion or dexterity with your cursor! A lot of the older games, for example, are great ways to earn that precious NP. (And we all know how much you need it, what with inflation and all.) Meerca Chase, a classic game that was recently...
The Garden of Ideas I wasn't sure what he was talking about, but he had his 'Just wait and all will be revealed' expression on, so I didn't push further questions...