itch.io

Offering easy-to-understand mechanics and accessible gameplay, this category emphasizes relaxed, enjoyable experiences suitable for players of all ages and skill levels.

The internet

Games that can be played alone

Focused on using its text, moreso than its visuals or audio, to tell the bulk of its story/plot. (Still can have great audio and visuals, though!)

Resources for building and relating to User Interfaces, how the user interacts with your program