As proper searching and filtering is not in place yet, here are a few very different games all playable right here in your browser.

Jam

Planet CLTV-8

A relaxing planet building toy.

Planet Desumaton

Fun little CBB (celestial body brawler).

Cartography

Cartography is dark and in first person. Probably one of those games that requre a bit of patience.

Shameless plug (my game, also Jam)

Aaaand.. since you've red this far. Might I interest you in some browers based textadventure/CYOA?

The world is (a) flat

A university student oversleeps hurries to get ready for class in an apartment where every room manifests a continent and the door is on the other side of the Atlantic.