I've mostly been wanting to play Rocket League, but I've been super stressed and for whatever reason playing against real people stresses me more. I think it's because I can't just pause the game whenever I feel like it.
So I've been mostly playing against ML bots with RLBotGui. As a gold/plat level player, it's actually a great way to practice.
I've also been playing through all of the Adventures of Lolo games(1-3 US and Japan, GB Lolo, eggerland series, plus all of the many rom hacks) on my Anbernic handheld. It's my favorite puzzle game of all time.
You can play them in any order, but I'd recommend playing the English games before the Japanese market games because the Japan games have more difficult levels.