I think it would be a lovely touch to modify the tile graphics based on district adjacency bonus.

For example, if you build a campus next to a mountain for a +1 science, then the mountain tile could show something science related, like an observatory etc

*pauses *

Just decided to paste this into gpt for suggestions, here’s what it suggested:

Sure, here’s a comprehensive list grouped by districts, detailing their adjacency bonuses and suggestions for modifying tiles for each era to reflect these bonuses.

Campus (Science)

• Adjacency Bonuses:

  • +1 Science for each adjacent mountain
  • +1 Science for every 2 adjacent Rainforest tiles
  • +1 Science for every 2 adjacent district tiles

• Tile Modifications:

  • Mountains:

    • Ancient Era: Simple observatory structures
    • Classical Era: More sophisticated observatories with stone buildings
    • Medieval Era: Large observatories with domes and telescopes
    • Renaissance Era: Advanced astronomical instruments visible
    • Industrial Era: Modern observatories with glass domes and machinery
    • Modern Era: High-tech observatories with satellite dishes and antennas

  • Rainforest:

    • Ancient Era: Basic research camps
    • Classical Era: Structured wooden research posts
    • Medieval Era: Small stone research facilities
    • Renaissance Era: Research stations with scientific equipment
    • Industrial Era: Permanent buildings with more advanced equipment
    • Modern Era: High-tech research outposts integrated with the environment

  • Adjacent Districts:

    • Ancient Era: Small scholar’s huts
    • Classical Era: Libraries and schools
    • Medieval Era: Universities and large libraries
    • Renaissance Era: Colleges and scientific academies
    • Industrial Era: Laboratories and research institutions
    • Modern Era: Research complexes and innovation hubs

Commercial Hub (Gold)

• Adjacency Bonuses:

  • +2 Gold for each adjacent river tile
  • +1 Gold for every 2 adjacent district tiles
  • +1 Gold for each adjacent Harbor

• Tile Modifications:

  • Rivers:

    • Ancient Era: Simple market stalls and traders by the river
    • Classical Era: More developed marketplaces with stone piers
    • Medieval Era: Riverfront trading posts with warehouses
    • Renaissance Era: Bustling market squares with elaborate docks
    • Industrial Era: Industrial docks and shipping facilities
    • Modern Era: High-tech ports and financial centers

  • Adjacent Districts:

    • Ancient Era: Small trade offices
    • Classical Era: Merchant houses
    • Medieval Era: Large trade guilds
    • Renaissance Era: Commercial buildings
    • Industrial Era: Banks and trading companies
    • Modern Era: Skyscrapers and corporate offices

  • Harbors:

    • Ancient Era: Basic docks
    • Classical Era: Advanced piers
    • Medieval Era: Large harbors with multiple ships
    • Renaissance Era: Elaborate shipping docks
    • Industrial Era: Industrial shipping ports
    • Modern Era: Modern container ports

Industrial Zone (Production)

• Adjacency Bonuses:

  • +1 Production for each adjacent mine or quarry
  • +1 Production for every 2 adjacent district tiles
  • +1 Production for each adjacent strategic resource

• Tile Modifications:

  • Mines/Quarries:

    • Ancient Era: Basic mining operations
    • Classical Era: More structured mining facilities
    • Medieval Era: Large mining complexes
    • Renaissance Era: Advanced mining techniques with machinery
    • Industrial Era: Industrial-scale mining
    • Modern Era: High-tech mining and extraction facilities

  • Adjacent Districts:

    • Ancient Era: Basic workshops
    • Classical Era: Smithies and forges
    • Medieval Era: Artisan guilds
    • Renaissance Era: Manufacturing buildings
    • Industrial Era: Factories
    • Modern Era: Industrial complexes

  • Strategic Resources:

    • Ancient Era: Resource collection sites
    • Classical Era: More developed resource extraction
    • Medieval Era: Large resource processing centers
    • Renaissance Era: Industrial processing plants
    • Industrial Era: Advanced processing facilities
    • Modern Era: High-tech resource management centers

Holy Site (Faith)

• Adjacency Bonuses:

  • +1 Faith for each adjacent natural wonder
  • +1 Faith for each adjacent mountain
  • +1 Faith for each adjacent woods
  • +1 Faith for every 2 adjacent district tiles

• Tile Modifications:

  • Natural Wonders:

    • Ancient Era: Simple shrines
    • Classical Era: Elaborate altars
    • Medieval Era: Grand temples
    • Renaissance Era: Ornate places of worship
    • Industrial Era: Majestic cathedrals
    • Modern Era: Impressive religious complexes

  • Mountains:

    • Ancient Era: Basic religious markers
    • Classical Era: Small mountain shrines
    • Medieval Era: Monasteries and pilgrimage sites
    • Renaissance Era: Mountain temples
    • Industrial Era: Large religious retreats
    • Modern Era: High-tech spiritual centers

  • Woods:

    • Ancient Era: Nature worship sites
    • Classical Era: Forest shrines
    • Medieval Era: Woodland monasteries
    • Renaissance Era: Nature temples
    • Industrial Era: Spiritual retreats
    • Modern Era: Eco-friendly spiritual centers

  • Adjacent Districts:

    • Ancient Era: Small chapels
    • Classical Era: Churches and mosques
    • Medieval Era: Cathedrals and temples
    • Renaissance Era: Large places of worship
    • Industrial Era: Grand religious buildings
    • Modern Era: Mega-churches and religious complexes

Theater Square (Culture)

• Adjacency Bonuses:

  • +1 Culture for each adjacent wonder
  • +1 Culture for each adjacent district tile
  • +1 Culture for each adjacent entertainment complex

• Tile Modifications:

  • Wonders:

    • Ancient Era: Small cultural monuments
    • Classical Era: Public theaters and amphitheaters
    • Medieval Era: Great halls and castles
    • Renaissance Era: Grand opera houses
    • Industrial Era: Elaborate theaters and concert halls
    • Modern Era: Modern cultural centers and museums

  • Adjacent Districts:

    • Ancient