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Door4: Ultimatum

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  1. Steam2.0 · 560 reviews
    $11.99View Offer

Trailers & screenshots

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About Door4: Ultimatum

Door4: Ultimatum is a puzzle game in which you choose the correct door from many options to advance through the levels. You study patterns, use logic and creative thinking, and look for clues in the surrounding world. A wrong choice sends you back, and the solution changes.

Explore the world

You explore a stylized open world of colorful, varied locations, each with its own mysteries and puzzles. Environmental details can reveal plot twists and hidden information. Collecting puzzle pieces opens access to new areas, while additional puzzles with hidden mechanics lead to plot mysteries and secret locations.

Uncover the story

You begin in a mysterious place and piece together where you are and how you got there by solving puzzles and exploring. The story unfolds as you progress, with secrets to discover throughout the world.

Puzzle systems

Puzzle answers are randomly generated each time you start. Checkpoints and collected or activated items let you save your progress.

Frequently asked questions

Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.

Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.

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