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Phase header art

Phase

Use the arrow keys to move and press the spacebar to teleport. By holding the spacebar, the world inverts from black to white, revealing hidden enemies and keys that are invisible in the normal state. Find all the keys and destroy the core to make your escape!

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Release
November 11, 2025
263 days ago
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5 user reviews5 reviews100.0%

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Latest Contributor: IGF TeamEdit notes
Search Google: Who developed Phase?Developer scaleThe operating scale of the game's developer.
Search Google: Who published Phase?Publisher scaleThe operating scale of the game's publisher.
Search Google: Is Phase self-published or published by Jaehyun?Publisher statusHow the game's publishing relationship is classified.
Search Google: How is Phase and Jaehyun funded?FundingThe known source of funding behind the game.
Search Google: Who controls the creative direction and IP for Phase and Jaehyun and Yejin?Creative controlWho appears to retain creative control of the game.
Search Google: What is the release status of Phase?Release statusWhether and how the game has been released.

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About the Game

Phase is a hardcore precision platformer that will test your reflexes, patience, and precise control to the absolute limit. Trapped in a stark, minimalist world, your only goal is to escape.

Your Only Way Out

The exit of each stage is securely locked. To open the door, you must complete one of two conditions:

  • Collect all the 'keys' hidden throughout the stage.

  • Or, find and destroy the 'Core' that powers the stage.

Of course, this process won't be easy. You must achieve your goal while avoiding the numerous enemies and traps designed to block your escape.

The Ability to Invert Reality

You possess unique abilities to navigate this monochrome world:

  • Basic Controls: Move with the arrow keys and jump.

  • Teleport: Press the spacebar to teleport your position and pass through deadly obstacles.

  • World Inversion: While holding the spacebar, the world inverts from 'black' to 'white'.

This 'inversion' state is crucial. Hidden enemies and key items (like keys) that are invisible in the normal black map will only reveal themselves in the inverted white world. You must use this ability strategically to find hidden paths and overcome challenges.

Game Features

  • 45 Meticulously Designed Stages: A total of 45 challenging, hand-crafted levels.

  • Escalating Difficulty: Start with simple obstacle avoidance and progress to extreme control challenges that require you to simultaneously handle complex enemy patterns, teleports, and map inversions.

  • Hardcore Gameplay: There is no mercy. A single mistake means instant death and a quick restart.

  • Minimalist Art Style: A clean, black-and-white aesthetic that removes all distractions, allowing you to focus purely on the gameplay itself.