Top similar games like Door4:Ultimatum:

Explore a unique and connected world. Understand its fragile balance, uncover its deepest questions, and find more than just the answers.

Soar through an alien world as a flying android. Dominate the environment with thunderous shouts —or surrender to the strange rhythms of wildlife. This planet does not obey humans. And maybe, neither should you.

Symbols have never had such an impact on a person’s fate. Meet a new part of a fascinating mystical doors puzzle. This time you will have to face the ruins of the past, hiding the secret of a vanished civilization.

Lones is a single-player adventure. Leave stress behind and live off-grid in the Canadian woods. Investigate and uncover the truth behind a mysterious and peculiar shadow.

An immersive survival crafting adventure game set on an alien planet. Explore the surroundings and build an understanding of the world around you. Create tools, devices, and structures to overcome the limitations of the harsh environment and unravel the mysteries of the unknown signals.

A baby girl is kidnapped and taken to a strange and mysterious place for unknown reasons. You must save her!

Go on a voyage of discovery following the traces of a mysterious culture. Discover diverse landscapes, investigate abandoned artifacts, and wake strange machines from their slumber.

In this short first-person adventure game, you have to bring your friends over to the other mountain by using a tramway car. But beware! Each friend has their own agenda. You have to talk to them to decide which order they should be moved in. Based on a classic riddle.

Immerse yourself in the fascinating ancient world of cube puzzles, where each step reveals a new mystery. You will explore different zones, each filled with unique puzzles that require the use of cubes to solve them.

You wake up, alone, on a strange island full of puzzles that will challenge and surprise you.

The plane crashed, bringing an abrupt end to your journey. You regain consciousness in a strange lucid dream filled with interactive cube puzzles, where a mysterious voice guides you through the changing landscape. What is happening? Who are you? Do you have what it takes to wake up?

Platonic is a first-person puzzle adventure game. Explore five unique worlds. Solve logical challenges. Gather clues and think outside the cube.

Step into the shoes of an aging man reliving his past through the lens of a boy’s camera. Explore vibrant environments, interact with key characters and capture fleeting memories to recollect life. What's been forgotten that only photos can show? What hidden memories do even photos refuse to share?

Aya and her fluffy friend have their paths inevitably cross, as they must find their loved ones and discover their true selves in the mysterious land of tales.

House of Wisdom is a first person puzzle game where the protagonist, one of the many creations of a deity, attempts to find out what happened to its creator who recently disappeared, helping the main character’s kins to deal with their distress along the way.

A beautiful, 3rd-person exploration game centered around two parallel stories: a lost sheep trying to find the way home, and a man restoring his life from his dark mistakes. Uncover artifacts from the man's life as he becomes intertwined in The Lost Sheep's journey to his home.

Navigate a world on the brink of oblivion, as a lone guardian harnessing the power of light you unravel mysteries begging to be uncovered, overcome puzzles, and restore life to a shattered realm in this captivating adventure journey.

The Sojourn is a first-person puzzle game set in an immersive colour-drenched world of light and darkness. Think your way through dozens of puzzles as you traverse parallel worlds, awaken mysterious artifacts and overcome challenging obstacles on an unforgettable journey.

Été (summer) is a relaxing painting game set in Montréal. Color the city to explore, create artworks on canvas, collect stamps in your album, decorate your studio, fulfill commissions from your neighbors, and unleash your inner artist!

You find yourself shipwrecked on a beautiful unsunken island that was once part of Atlantis. Explore the mysteries of the island, and solve unique puzzles to enter the sunken lighthouse into the depths of Atlantis.

Syke is a first-person exploratory puzzle game set in a mysterious and beautifully warped reality. You play as an individual making their way through areas of strange geometry; solving puzzles to piece together the story of their love.

Experience a vibrant flight and slide through a dead forest, solve mysteries, and bring life back to a world consumed by a black hole in this atmospheric puzzle game.

Hope For Winter is a first-person story-driven game about Lionel who arrives at his Grandparent's Cabin after many years with his trusty companion. The story takes you through Thorn Mountain Pines Forest to discover what happened to Lionel's Grandmother after all this time.

Embark on a heartwarming journey with your little light friend to solve puzzles and bring light to the mystical realm of Illum.

Gomiboru is an arcade-puzzle game set in Stampland, a decaying amusement park. Guide a strange sticky ball as it collects the trash scattered throughout the environments, solving physics puzzles and facing absurd obstacles. Unravel the mystery behind the chaos in a dark and surreal world.

Isle of Lament is a first-person mystery game set on a haunted island. Uncover its dark secrets as you explore eerie landscapes, solve intricate puzzles, and wield supernatural abilities to track and banish vengeful spirits. Can you break the curse before it claims you?

Rhombus is a first-person puzzle game where you build your path through panels controlling platforms. Explore and find your way through a compact environment in this small metroidbrainia.

Lingo 2 blends word puzzles and impossible geometry, with brand new puzzle mechanics and a large, colorful world to discover. Welcome back!

A Murmur in the Trees is a short adventure mystery in prohibition-era America. Explore the forest on your quest to unravel the mystery of the Moonshine Murders.

In an all new mysterious universe built by the developers of the award-winning A Fisherman's Tale, you play as a Maskmaker's apprentice and learn the magic of crafting masks to immerse yourself in the intriguing enigmatic beings within the game.

Explore a forgotten valley filled with ancient mechanisms and mysteries. Solve intricate 3D puzzles and uncover the story of the four sages who once lived there.

Atmospheric first person adventure game focusing on immersion and exploration. Meet strange characters, discover secrets and try to unfold the mystery of the Fragmentation.

Investigate. Interrogate. Descend into a world of intrigue to untangle the Mystery of the Malign.

Pastel is a Single-Player 3D Adventure Puzzle Game. Play as Pastel, a nine-tailed fox who has just woken up in an overgrown forest with no memory of who she is or how she got there. You will need to travel through time to recover her memories and prevent a great calamity from taking place.