LURCHES

A genetic simulation sandbox
with an ASCII attitude

~..##^^..@.##^^""^^##...@..~

Lurches is the rebirth of a 1992 terminal game and best experienced on a laptop or desktop — the simulation needs a keyboard and a wider screen to really come alive.

Bookmark lurches.net and come back on a bigger screen. Your lurches await.

LURCHES

A genetic simulation sandbox
with an ASCII attitude

~..##^^..~..@.##^^""^^##...@..~
..##@^""^^##....##^^""@^##...
~..##^^..@~~..##^^""^^##@.~

Map

Random▼

Random

Pangaea

Eden

The Crucible

Archipelago

Ring World

Waterworld

Birth Rate: 1.0x iHow fast lurches reproduce. Higher values mean larger populations and faster evolution. Lower values create sparse, fragile worlds where every birth matters.

Mutation: 5% iHow much offspring genes deviate from their parents. Low mutation means stable inheritance — traits lock in. High mutation means wilder swings each generation and faster adaptation to disasters.

SAVED SEEDS

⚡ GOD MODE ⚡

Severity 5

Environmental Events

Biological Events

Direct — click or drag on grid

Press G or ESC to close

Population

Dominant Traits

Timeline ▼

Space Pause +/- Speed G God Mode N Step F Follow Click Inspect Arrow Keys Scroll ? Help

Save this seed before leaving?
Name it to replay this world later.

LURCHES

LURCHES

SAVED SEEDS

⚡ GOD MODE ⚡

LURCHES — GUIDE