Here is an overview of the game, via its Steam page:

About

Push and pull your way through this heartfelt adventure! Fin, the mechanical whale you call home, is plagued by mischievous Squiddies. As Ernest Hemingwhale you set out on a Fin-tastic journey to help your friend with his unexpected guests. WHALIEN: Unexpected Guests is based around a focused core mechanic that takes you into a charming world full of little details.

Key Features

• Fin Needs Your Help – Ernest Hemingwhale is the last remaining person living inside of Fin, the mechanical whale. When one day slimy Squiddies show up and start making a mess, Fin asks for help! Ernest sets out on an adventurous journey through the whale, trying to help his friend get rid of his unexpected guests!
• Push and Pull – Use your Gloves to push and pull all kinds of objects and elements within your proximity. Use your pearls—Mr. Push and Mrs. Pull—-to manipulate objects from a distance. WHALIEN: Unexpected Guests is designed around pushing and pulling, and everything you do in the game builds upon this mechanic.
• A Fin-tastic World Awaits – Explore colorful locations, meet loveable characters and discover intriguing secrets on your journey through the insides of the whale!

Characters

• Ernest Hemingwhale – Ernest is the hero of our story. Despite his clumsiness, he gives his best to help Fin, his home and friend.
• Fin the Whale – Fin, the mechanical home of Ernest. Using a phonebook and charismatic profile pictures, the two can even chat. An important tool for Fin to help express the worries about his inner whale-being.
• Squiddies – Slimy guests that suddenly appeared inside Fin and started making mischief. Some of them even specialize in being a nuisance to Ernest.
• Springpeople – Even more guests? Unlike the Squiddies though, they seem to be quite helpful. What might those springy fellows be up to?

Watch the announcement trailer below.

Announce Trailer