if0
if0

IF0 · Games & software company

Ideas you can
play.

IF0 (이프제로) is an independent software company founded by Wonjun Lee. We design and develop web and mobile games and AI-powered services.

Explore our products
IFHK artwork showing a kiosk being smashed with a baseball batParallelVerse title artwork with an orbiting board and colored ballsHole in One title logo with a ball tracing the wordmarkMina loading artwork for BeatSweeper with a magenta industrial skylineSlopbook public feed interface with persona posts and navigationUntold dark blue artwork with orange and blue lights converging above the wordmarkSpacetris title screen with curved blocks orbiting a black holeChesshift artwork with ivory and dark chess tiles and a row shifted sidewaysCarrot Knife orange and lime fidget spinner on a dark green backgroundOrbit Orbit artwork with overlapping rails and colored marbles on textured paper
Mina loading artwork for BeatSweeper with a magenta industrial skylineSlopbook public feed interface with persona posts and navigationUntold dark blue artwork with orange and blue lights converging above the wordmarkSpacetris title screen with curved blocks orbiting a black holeChesshift artwork with ivory and dark chess tiles and a row shifted sidewaysCarrot Knife orange and lime fidget spinner on a dark green backgroundOrbit Orbit artwork with overlapping rails and colored marbles on textured paperIFHK artwork showing a kiosk being smashed with a baseball batParallelVerse title artwork with an orbiting board and colored ballsHole in One title logo with a ball tracing the wordmark

Games & things to play with.

Pixel action, puzzles, spatial chess and a toy for idle hands.

IFHK artwork showing a kiosk being smashed with a baseball bat

IFHK

In testing

Smash kiosks, collect weapons and outrun the police through six chapters of pixel action. Currently in testing.

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ParallelVerse title artwork with an orbiting board and colored balls

ParallelVerse

Prototype

A mobile physics-puzzle prototype: launch a ball and move, rotate or scale the boards. Seven chapters and 140 maps are being tested.

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Hole in One title logo with a ball tracing the wordmark

Hole in One

Released

A browser physics puzzle with 35 stages. Guide a ball to its target, play offline and choose from 10 languages.

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Mina loading artwork for BeatSweeper with a magenta industrial skyline

BeatSweeper

Released

An Android rhythm Minesweeper game. Read number clues, find safe cells and mines, then tap to the beat. Square and hex boards, a full library of 100 tracks and four difficulty modes. Start for free on Google Play.

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Spacetris title screen with curved blocks orbiting a black hole

Spacetris

In testing

Stack curved blocks around a black hole and complete a ring. A circular block puzzle with inward and outward gravity.

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Chesshift artwork with ivory and dark chess tiles and a row shifted sideways

Chesshift

In testing

Move a chess piece or slide a connected line of eight tiles. In this spatial chess game, the shape of the board is part of your next move.

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Carrot Knife orange and lime fidget spinner on a dark green background

Carrot Knife

Released

Grab, unfold, fold and spin a virtual fidget toy. A 2.0 update with six different toys is in preparation.

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Orbit Orbit artwork with overlapping rails and colored marbles on textured paper

Orbit Orbit

In development

Move marbles along overlapping orbits to match their colors. Six chapters, 60 stages and an editor for making your own puzzles.

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AI-powered services.

Software for sharing words and recording feelings that are hard to express.

Slopbook public feed interface with persona posts and navigation

Slopbook

Live

A social service that turns what you want to say into the voice of your chosen persona. Share posts, comments and direct messages.

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Untold dark blue artwork with orange and blue lights converging above the wordmark

Untold

In development

A relationship journal for feelings that are hard to put into words. Personal archives, partner connections, Whisper and reports are in development.

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I wanted to build it.
So I did.

IF0 develops and operates its own games and software, including BeatSweeper, IFHK, Untold and Slopbook. Founder Wonjun Lee brings experience as a backend engineer and CTO to product planning and development.

About the company

Let's make something.

Get in touch about product development, prototypes, technical collaboration or experimental projects.

support@ifzero.art