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LANE-4: A Dystopian Programming Thriller

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LANE-4: A Dystopian Programming Thriller

Dylan Falconer · Published by Dylan Falconer

Last updated 28 Sept 2026

An open-ended programming game in which you optimise 4-core assembly code to maintain a 1990s alt-history dystopian megacity's infrastructure. Take jobs from middlemen with hidden agendas and uncover the chilling consequences of your "routine" fixes in this assembly language puzzle thriller.

Free to PlayComing SoonDJCTQ l

Free

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Simulation · More free games

Navigate the complex infrastructure of a 1990s alt-history megacity as you take on mysterious jobs in this simulation game. Each fix could have chilling consequences, unraveling the truth behind your routine tasks.

About this game

The city runs on LANE-4 - a quad-core microcontroller embedded in everything from train switches to power grids. The infrastructure is failing. You've been hired to help keep it running.

Write microcode in a custom assembly language. One program runs across all four cores simultaneously - the same instructions, different data. When cores collide on shared memory, the chip resolves it: two writers take the minimum, three take the maximum, four take the sum.

Take contracts through email chains from fixers, corporate middlemen, and bureaucrats.

Every job looks routine. Whether it stays that way is another matter.

What you can expect in the full version:

  • 50+ puzzles across 5 acts

  • Write assembly for a quad-core SPMD processor - one program, four cores, shared memory

  • Unique collision mechanics resolve simultaneous writes through min, max, and sum operations

  • Optimise solutions for Cycles, Area, and Instruction Count

  • Histograms to compare your solution against others

  • A narrative told through email chains from various characters

  • Set in an alternate-history Australian Megacity in 1996 - where Soviet influence shapes the world

System Requirements

Will my PC run this? →

Minimum

Minimum:
  • Requires a 64-bit processor and operating system
  • OS: any 64-bit
  • Processor: potato
  • Memory: 50 MB RAM
  • Graphics: any/none
  • Storage: 10 MB available space

Recommended

Recommended:
  • Requires a 64-bit processor and operating system

Supported Languages

English

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