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simgrammar the grammar of simulation

core loop

clear land and plant seasonal crops -> water daily and tend livestock -> ship produce for money -> buy animals, seeds, and upgrades -> build relationships and attend festivals -> marry and raise a child before the father's evaluation

design notes

Director Yasuhiro Wada started the project with three principles (no fighting, uniqueness, and tactile real-time action), and a team of 8 to 10 people at Pack-In-Soft scaled it back to fit SNES limits. The farm rules are forgiving but daily: unwatered crops stop growing instead of dying, chickens need only feed but can die if left outside, and cows must be fed, talked to, brushed, and milked or they sicken. Play is bounded by a two-and-a-half-year term that ends with the father's evaluation of the farm and family, which makes marriage and a child goals alongside crops and livestock.

relations

8 stored edges
uses

Animal husbandry

Chickens must be fed and kept indoors or they can die; cows need daily feed, talking, brushing, and milking, and fall sick or die if neglected.

core
uses

Crop cultivation

Crops need water every day; a missed day halts growth rather than killing the plant, and each crop belongs to a season.

core
uses

Seasons

A four-season calendar sets which crops can grow and when festivals occur.

core
uses

Daily action budget

A stamina pool limits work each day; power berries found around the map raise it.

supporting
uses

Day-night cycle

After dark only the bar stays open, so shopping and visits must fit daylight.

supporting
uses

Relationship values

Villagers' and candidates' affection rises with talking and gifts.

supporting
uses

Romance and family

Five eligible women can be courted; marriage and a child count toward the final evaluation.

supporting
uses

Scenario objectives

After two and a half years the father evaluates the farm, family, and relationships.

supporting

backlinks

computed from other records
influenced
1

sources

2
Wikipedia contributors (2026). Harvest Moon (video game). Wikipedia
FoGu (2026). Harvest Moon (SNES) guide. FoGu

provenance

runs in log/runs
2026-10-24
created2026-10-24-catalog-gccatalog