A downloadable game for Windows

Buy Now$5.99 USD or more

Unknown Castle is a puzzle adventure, where you explore your old family castle, controlling 2 characters helping each other.

In this game you control 2 characters, Halli-Valli and Huuma-Tuuma.  You have to lead the two characters to their own doors to exit each castle room. Use stairs, moving platforms, switches and other things to progress. The game has also local multiplayer option.

The game has 31 levels of challenging puzzles and also some secret rooms!

In your journey you will encounter many dangers. Avoid dangerous traps and angry bats!

Uncover the background story of the castle. Who built it? What is inside the treasure chests? Who is this mysterious Mr. Freddi who has left some random messages in the castle? Where is the real treasure?

The only way to find an answer to those questions is to go and explore the unknown castle!

Play alone or with a friend! One of you controls Halli-Valli and the other one controls Huuma-Tuuma.

(The levels can be played in multiplayer, but in some parts one player has to do things).

In single player mode:

Move the current character with arrow keys or WASD.

Press tab to change the controlled character.

Press UP or W to interact.

In multiplayer mode:

Someone moves Halli-Valli with arrow keys. Some other one moves Huuma-Tuuma with WASD.

F11: Go to fullscreen
R: Restart level
L: Configure brightness

Languages available:

English, Spanish and Finnish.

Also available on steam:


Buy Now$5.99 USD or more

In order to download this game you must purchase it at or above the minimum price of $5.99 USD. You will get access to the following files:

unknown castle definitive edition.zip 8 MB

Development log