The Legends of Dysx roll-n-write games are on sale for $1 each. Roll-n-Writes are great for playing remotely, over video chat: https://www.pnparcade.com/search?q=dsyx 

Thanks to @PhongOdin for recommending them ^

Aaaand I just realized that these are all solo-play haha .

Here's a different collection of roll-n-writes by @InkwellGames! 10 different games by different designers for $15. https://inkwellgames.com/pre-order/