The Detective Games Festival starts on Steam on Monday. There are sure to be a few adventure games among them.

Mundaun https://store.steampowered.com/app/720350/Mundaun/

Mundaun is a lovingly hand-drawn horror fairy tale set in a dark and remote valley in the Alps. Explore numerous secrets in various areas, survive dangerous encounters, drive vehicles, fill your inventory, and solve a whole series of handcrafted puzzles.

Language: Romansh with subtitles in other languages.

Neofeud, my retro cyberpunk/dystopian adventure game is 70% off now! https://store.steampowered.com/app/673850/Neofeud/

Heads up, both Nobody Wants To Die and The Darkside Detective: A Fumble in the Dark are free on Epic Games for the next week.