ERROR143

A short dating sim with hacker rivalry and verbal sparring

Jenny Vi Pham · Released Jul 26, 2022

Reviews: Very Positive; 93% of 6,248
Recent reviews: Very Positive; 92% of 99 in 30 days
Players: 55; daily peak, Oct 28, 2026
Steam Deck: Playable
Last update on Steam: 2 weeks ago; Oct 13, 2026
Minimum PC: DirectX 10 GPU; 2 GB RAM · 5 GB disk; Full requirements

What is ERROR143?

A free, single-player visual novel in which a hacking competition sparks a romance with your rival. You exchange messages, solve hangman-style hacking puzzles, and make choices leading to three endings.

For you if...

+you enjoy romance built around teasing and playful arguments
+you prefer stories you can finish in a few hours

Not for you if...

−you want complex hacking simulations rather than simple word puzzles

What players say

93% of 6,248 reviews are positive · 92% of 99 in the last 30 days

Players praise the art and describe emotional responses to the endings. A critical review finds the dialogue awkward and the love interest hard to like.

Screenshots and trailer

ERROR143 system requirements

Minimum: DirectX 10 GPU, 2 GB RAM, 5 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 10 (64-bit)
Processor: 2.0 GHz Dual-Core
Graphics: DirectX 10 / OpenGL 3.0 compatible
Memory: 2 GB RAM
Storage: 5 GB available space

Does ERROR143 have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does ERROR143 run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

Sometimes shows mouse, keyboard or non-Deck controller icons
Some text entry requires manually opening the on-screen keyboard
All functionality is accessible with the default controller configuration
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows, macOS, Linux
Achievements: 20
Steam features: Family Sharing
Languages: Full audio: English. Text only: Simplified Chinese.

Does ERROR143 use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam