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ERROR143 key art
● Completed18+ patch

ERROR143

Also known as ERROR 143

Romance, Comedy, Dating sim · by Jenny Vi Pham · 2022

ERROR143 screenshot 1ERROR143 screenshot 2ERROR143 screenshot 3ERROR143 screenshot 4ERROR143 screenshot 5ERROR143 screenshot 6

You lose a hacking contest to a smug rival, hack him back out of spite, and start a war of insults that slowly turns into something else.

Who it's for: Players who love snarky rivals-to-lovers banter, with optional explicit DLC for adults.

The story (spoiler-free)

Your rival beat you in a hacking competition, so naturally you break into his system and leave a gloating message. He hacks you right back. What follows is days of trash talk, pranks and chats with Micah, an infuriatingly smug and secretly sweet hacker.

The game plays out on a fake desktop with chat windows, a music box full of original songs and small hacking puzzles. You choose your name and pronouns, and your replies steer you toward bad, good or proposal-style endings.

The free base game is a complete arc of the online rivalry with three endings. Paid Day 5 to Day 8 DLCs continue the story after you finally meet in person and add more endings, with Day 8 as the last day of his visit. The explicit material is kept apart: on Steam it is two optional 18+ DLCs (Night 7 and the short ERROR R34), and on itch.io it comes with the paid Full Game build. The mobile versions have the story days but no 18+ content.

Where to play

PlatformEditionEnglishHow to get it18+ content
Windows ↗Steam (free base game + paid DLC)Days 5-8 are paid story DLC; Night 7 and ERROR R34 are separate paid 18+ DLC.YesFree + paid extrasOptional (official)
Mac ↗Steam (free base game + paid DLC)YesFree + paid extrasOptional (official)
Linux ↗Steam (free base game + paid DLC)YesFree + paid extrasOptional (official)
Windows ↗itch.io: free base game or paid Full Game (Days 1-8)The paid Full Game build covers Days 1-8 and includes the 18+ content.YesFree + paid extrasOptional (official)
Mac ↗itch.io: free base game or paid Full Game (Days 1-8)YesFree + paid extrasOptional (official)
Linux ↗itch.io: free base game or paid Full Game (Days 1-8)YesFree + paid extrasOptional (official)
Android ↗Google Play (all-ages)Free base game with in-app purchases; no 18+ content.YesFree + paid extrasNone
Android ↗itch.io APK: free base game or paid Full Game (Days 1-8)Same choice as the PC builds on itch.io; the paid Full Game APK includes the 18+ content.YesFree + paid extrasOptional (official)
iOS ↗App Store (all-ages)Free base game; Days 5-8 are in-app purchases. No 18+ content.YesFree + paid extrasNone

Why play it

  • +Extremely popular, banter-heavy rivals-to-lovers romance
  • +Free base game with a full original soundtrack
  • +Player-chosen name and pronouns
  • +Adult content is optional and clearly separated

Keep in mind

  • −Only one love interest
  • −The full story needs four paid day DLCs (or the paid itch.io Full Game)
  • −No 18+ content in the App Store and Google Play versions
  • −Chaotic, meme-heavy writing style is not for everyone

Content warnings

Show 2 content warnings
strong languagesexual content (DLC only)

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Free base game 2022; Day 5 DLC December 2023; Days 6, 7 and 8 plus the 18+ Night 7 released June 30, 2026. Day 8 is the day Micah goes home, and itch.io sells the whole story as a 'Full Game Day 1-8' build. Playtime: VNDB user-reported average 143 min (n=11, base game only, Nov 2026); each later DLC 'extends playtime by several hours' per Steam. Base game free (pay what you want on itch.io). Steam: Days 5-8 are separate paid DLC, and Night 7 and ERROR R34 are separate paid 18+ DLC. itch.io: one paid Full Game build (Days 1-8, incl. 18+ content). iOS/Android stores: Days 5-8 as in-app purchases, no 18+ content. Rating: Steam base game: no content notices; Night 7 and ERROR R34 DLCs carry adult-only sexual content notices. App Store 12+, Google Play Teen..

Sources: Steam store page, Steam store page (Night 7 DLC), Steam store page (ERROR R34 DLC), Steam store page (Day 8 DLC), VNDB entry, itch.io page, App Store page, Google Play page, Developer website.