Revised from generic archetypes to the actual 9 worker roles documented in Czech ledari (Prague ice harvesting teams). Tier 1-2 use the on-ice crew; Tier 3-5 use historical figures and company leaders. All have Junior/Senior promotion (1 round offline, then returns as Senior).
TIER 1 — The Ice Crew (Available from Era 1)
Tier 1 · Era 1+
The Cutter
Ice saw operator. First onto the ice; scored the grid lines. Two cutters per ledari team.
JUNIOR: When you CUT, add +1 block to your harvest.
↑ Promote (1 round offline, spend Sawdust)
SENIOR: +2 blocks per CUT. Can CUT in Late Ice at full rate (not halved).
Tier 1 · Era 1+
The Floater
Pike pole operator. Guided floating blocks down water channels toward the ice house.
JUNIOR: PACK action costs no card (moving ice is your specialty).
↑ Promote (1 round offline, spend Sawdust)
Float blocks to any adjacent Ice House for free, even without a route link.
Tier 1 · Era 1+
The Splitter
Breaking bar operator. Pried scored blocks apart from the grid with a long iron bar.
JUNIOR: When you CUT, you may also immediately float 2 blocks to an adjacent Ice House.
↑ Promote (1 round offline, spend Sawdust)
Combine CUT + PACK as a single action (1 card total).
Tier 1 · Era 1+
The Factor
Team supervisor and organizer. Coordinated cutting speed to match storage capacity.
JUNIOR: Once per round, look at top 2 Season Cards; put them back in any order.
↑ Promote (1 round offline, spend Sawdust)
Once per era, reshuffle the Season Deck and reinsert Late Season cards anywhere.
TIER 2 — Storage & Transport (Available from Era 2)
Tier 2 · Era 2+
The Builder
Stacked ice blocks in the ice house using specific high-density techniques. Used flooding and salt-water spraying to fuse layers.
JUNIOR: Your Ice Houses hold +2 additional blocks beyond capacity.
↑ Promote (1 round offline, spend 2 Sawdust)
Your Ice Houses reduce decay by 1 extra step. Level 1 Ice House now decays at Level 2 rate.
Tier 2 · Era 2+
The Horse Wrangler
Managed the ice horses — animals specially shod with calked shoes (metal studs) for ice grip. Without the wrangler, horses slipped and failed.
JUNIOR: Horse Teams cost £1 less to produce. Gravel Roads cost −£1.
↑ Promote (1 round offline, spend Sawdust)
OPEN ROUTE costs 0 Horse Teams (your horses are always ready). Ice Roads cost £1.
Tier 2 · Era 2+
The Hauler
Transported blocks from cutting site to ice house entrance. The physically exhausting mid-chain role. Teams of two worked together.
JUNIOR: When you SHIP, ice loses 1 fewer state in transit (each link costs 1 less).
↑ Promote (1 round offline, spend 2 Sawdust)
SHIP across Ice Roads costs 0 (ice roads were the hauler's domain). Gravel Roads: melt cost 0.
TIER 3 — Merchants & Engineers (Era 3+)
Tier 3 · Era 3+
Frederic Tudor
"The Ice King of Boston." First commercial ice exporter. Pioneered giving ice away free to create demand. Went to debtor's prison 1812-13; ultimately made $220,000 from India.
JUNIOR: Tudor Gamble always succeeds when you ship 5+ blocks. Reduce Tudor Gamble minimum to 4 blocks.
↑ Promote (1 round offline, spend 2 Sawdust)
PIONEER A MARKET costs 1 block (instead of 2). Your Pioneer tokens score +2VP at era end.
Tier 3 · Era 3+
Nathaniel Wyeth
Inventor of the horse-drawn ice plow (~1825). Reduced harvest costs from 30¢/ton to 10¢/ton. Also designed insulated ice houses and practically every major ice industry tool.
JUNIOR: ESTABLISH a Frozen Pond L2 or Stable L2 for free once this era.
↑ Promote (1 round offline, spend 2 Sawdust)
All your Frozen Ponds produce +2 blocks. UPGRADE TECHNIQUE costs 0 Sawdust.
TIER 4 — Global Traders (Era 4+)
Tier 4 · Era 4+
Carlo Gatti
Swiss-Italian entrepreneur who brought Norwegian ice to London in 1857. Built famous underground ice wells at Regent's Canal Dock. Democratized ice for London's working class.
JUNIOR: London Export Port unlocked. All your deliveries there score +2VP.
↑ Promote (1 round offline, spend 2 Sawdust)
All Port Customers (any) score +2VP per Crystal block. You may SHIP to any Port Customer without a direct link if you have one Ice Road to ANY port.
Tier 4 · Era 4+
Gustavus Swift
Meatpacker who built 7,000 refrigerator railcars by 1920, revolutionizing cold chain logistics. Created the model for the modern food supply chain.
JUNIOR: ICE WAGON action costs 1 less card. Wagons deliver 2 blocks/round instead of 1.
↑ Promote (1 round offline, spend 2 Sawdust)
Deploy up to 3 Ice Wagons in a single action. Your wagons can't be outbid in Ice Wars.
Tier 4 · Era 4+
The Norwegian Baron
Fictionalized amalgam of Norwegian ice export magnates who bought lakes and renamed them. One Norwegian firm literally purchased Lake Oppegaard and rechristened it "Lake Wenham" to trade on the New England brand's prestige.
JUNIOR: You may RENAME one Lake Zone on the board. Your company earns +1VP whenever anyone harvests there.
↑ Promote (1 round offline, spend 2 Sawdust)
Rename a second lake. All ice cut from your renamed lakes is treated as Crystal quality for SHIP purposes (regardless of actual state).
TIER 5 — The Final Era (Era 5 only)
Tier 5 · Era 5 ONLY
The Last Harvester
Inspired by Baltazar Ushca (1944–2024), last ice merchant of Mount Chimborazo, Ecuador. Harvested glacier ice by hand for 50 years, delivering by donkey to Riobamba market. A living piece of history.
JUNIOR: One of your Frozen Ponds is immune to Ice Famine events. That pond always produces when others cannot.
↑ Promote (1 round offline)
Continue cutting even after the first Customer Defection wave. Ice from your immune pond scores +1VP in Era 5 (nostalgia premium).
Tier 5 · Era 5 ONLY
Carl von Linde
German engineer who developed mechanical brewery refrigeration in 1870, directly triggered by the 1872 Austrian ice famine. His machines made natural ice commercially obsolete by 1914.
JUNIOR: Build Mechanical Refrigerator tiles for £3 less. You earn +1VP per tile at High Summer.
↑ Promote (1 round offline)
Each of your Mechanical Refrigerators closes 1 Customer Defection early (you trigger the market shift, controlling which customers close).
🎁 New Action: Pioneer a Market Round 22
Inspired by Frederic Tudor's documented strategy: give ice away free for one week to create permanent demand. "A man who has drank his drinks cold at the same expense for one week can never be presented with them warm again."
🎁 PIONEER A MARKET
Cost: 1 card + 2 ice blocks of any state (donated to the customer — do not score VP for them)
Effect: Place your Pioneer Token on one Customer tile. For the rest of this era, whenever you SHIP to that customer, score +1VP per block (on top of normal VP). The customer has become loyal to your brand.
Limit: Only 1 Pioneer Token per customer. First to Pioneer wins the loyalty. Other players cannot Pioneer the same customer this era.
Campaign bonus: At era end, Pioneered customers carry your name into the Chronicle booklet. If this customer appears in the next era, your company gets +1 VP on the first delivery there (residual brand recognition).
Countermeasure — The Tudor Smear: A player who has NOT pioneered a customer may spend 1 card to place a Smear Token on another player's pioneered customer. The loyalty bonus is suppressed for 1 round (that player loses the +1VP). Historically: Tudor ran a documented smear campaign against mechanical ice pioneer John Gorrie in 1844.
Tudor's documented tactic (1806–1820s): "Show, don't tell. Provide bartenders with a week of free ice. Once customers experience cold drinks, warm ones become intolerable." This transformed a luxury into a necessity — the playbook for creating new markets.
☠ Contamination Events Round 23
Historical: By the 1880s-1890s, New York State health authorities used coliform testing to demonstrate that sewage contamination of rivers caused typhoid fever outbreaks. Ice cut from contaminated sources was linked to disease. This undermined public trust in natural ice and accelerated adoption of mechanical refrigeration.
☠ CONTAMINATION TILES (appear in Era 3-4 Demand Tile stack)
When drawn: Place a Contamination token on a random Lake Zone (roll die to determine which). All ice cut from that lake this round is flagged as Contaminated.
Effect: Contaminated ice scores −2VP if delivered to Hospital or Palace Gate. Contaminated ice delivered to Fishmonger or Meatpacker: no penalty (they don't care). Contaminated ice delivered to Brewery: −1VP and that Brewery's Demand Deck is shuffled — next Demand Event is random.
Removal: At end of round, contamination clears from the lake naturally (rivers flush). Not persistent unless "Persistent Contamination" tile drawn (Era 4+ only — industrial pollution).
In Era 4, add 2 Persistent Contamination tiles: These stay on the lake for 2 rounds. The Industrialist company is immune (their factory ice is never contaminated). Natural ice producers must route around contaminated lakes or absorb the VP penalty.
Why Contamination Adds Depth
Forces players to monitor multiple lakes. Creates a "clean ice" premium in Eras 3-4. Historically differentiates natural ice (vulnerable to contamination) from factory ice (controlled environment). In Era 5, Contamination tiles partially drive Customer Defection — "why take the risk when you can have mechanical refrigeration?" The contamination crisis becomes a narrative beat that explains Era 5's collapse.
🧱 Insulation Materials Ladder Round 24
Historical ice houses used different insulation materials ranked by effectiveness. The game reflects this progression across eras, making your Ice House capabilities era-dependent as well as level-dependent.
Era 1
🏺 Clay (Sarooj)
Basic ice pit sealing. Mud + lime + ash mortar. Yakhchāl standard. Ice Houses hold 2 fewer blocks than marked.
Era 2
🌾 Straw & Chaff
Cheap, widely available. Standard ice house insulation. Ice Houses at listed capacity. Susceptible to rot.
Era 3
🪵 Sawdust
Most common 19th century method. Air gaps between particles insulate well. PACK consumes Sawdust. Ice Houses at full capacity + standard decay rates.
Era 4
🧱 Cork Bricks
Most effective natural insulation. Treated with asphalt. Ice Houses with Cork upgrade: decay rate halved again (Level 2 = Level 3 rate). Cost: £4 upgrade per Ice House.
Era 5
⚙ Machine Cooling
No insulation needed — ammonia compression. Ice Factories and Mechanical Refrigerators ignore all decay rules. But: factory disasters possible (1898 Glasgow ammonia burst).
Implementation
At era start, players choose their insulation type from those available. Choice costs money and affects Ice House performance. Cork Bricks are available in Era 4 but expensive — a meaningful investment. The ladder reflects the actual historical progression documented in ice house construction records.
⚠ Era 5 Factory Disaster Risk
Inspired by the 1898 Glasgow ammonia compression plant failure that killed 3 workers. In Era 5, Ice Factories with Machine Cooling have a 1-in-6 chance (roll die at end of any Ice Famine season card) of a "Factory Accident" event: Ice Factory disabled for 2 rounds; lose 1 VP immediately. Industrialist company can spend 1 Steam Token to prevent this. Thematically: the new technology was powerful but dangerous.
📊 Demand Tile Stack — Complete List (20 tiles per era)
Shared stack, face-down, 1 flipped per round. Replaces per-customer Demand Decks for component efficiency.
Premium Prices ×6
Hot Summer Rush
All deliveries to [named customer type] this round: +1VP per block.
One round only. 6 variants (one per customer).
Urgent Order ×4
Emergency Need
One Customer needs delivery within 2 rounds: +3VP bonus for first to fulfill.
Expires after 2 rounds. Persistent marker placed.
Grand Opening ×2
New Business
A new customer opens. First delivery ever to them: permanent +1VP bonus.
Pioneer Token opportunity.
Crystal Shortage ×2
Premium Ice Craze
All Crystal deliveries to ANY customer this round: +2VP.
Incentivizes using Wenham Lake despite long route.
Ice War ×2
Market Dispute
Name one Customer. Players bid Horse Teams secretly. Winner has exclusive delivery rights this round.
Winner earns +2VP bonus. Loser gets Horse Teams back.
Contamination ×2
Sewage Warning
One lake zone contaminated. Ice from it scores −2VP to Hospital/Palace this round.
Era 4+ only: Persistent (stays 2 rounds).
Disaster ×1
Icehouse Fire
Inspired by 1910 Iceboro Fire. One random player's largest Ice House loses 2 blocks (smoke-damaged). That building cannot PACK this round.
Era 4-5 only. Largest ice company most vulnerable.
Press Coverage ×1
Ice Monopoly Scandal
Inspired by Charles Morse's 1899 American Ice Company monopoly. Player with most Ice Houses: ALL opponents may use their storage for free this round (no £1 fee).
Era 4-5 only. Antitrust moment.
🃏 Card Deck Composition by Era Round 25
Player hands refill to 8 after each turn. The era ends when the Season Deck (12 cards) is exhausted. Player card decks must be large enough to sustain 12 rounds of play.
No Wenham Lake (not yet discovered). 3-position wheel. 8-card Season Deck.
Era 2 (The First Trade)
Same 4 lakes + Silver Lake ×4 = 22 cards
Add Hospital ×5, Fishmonger ×5 = 27 cards
Export Wharf unlocked if "Tudor's Voyage" chosen. 10-card Season Deck.
Era 3 (The Ice King)
Add Wenham Lake ×6 = 28 cards
Add Luxury Hotel ×5, Export Wharf ×4 = 36 cards
Silver Lake remains. Palace Gate now Crystal-gated. 12-card Season Deck.
Era 4 (The Export Wars)
Same 6 lakes = 28 cards
Add Meatpacker ×4 = 40 cards. Silver Lake removed from map.
Ice Wagons available. All customers open. Full 12-card Season Deck + extra Famine.
Era 5 (The Last Harvest)
Remove contaminated lakes as Defection progresses — deck shrinks
Customers close (Defected tiles removed from game). Deck shrinks each round.
Mechanical Refrigerator cards added to Customer deck. Deck shrinkage is the timer.
Era 5 Mechanic: The Shrinking Deck
In Era 5, Customer Defection doesn't just close tiles — it removes Customer Cards from the draw deck. When the Brewery defects (installs mechanical refrigerator), all Brewery Customer Cards are pulled from the deck. This means the deck physically shrinks each round, hands shrink faster, and the era ends earlier than expected. The game naturally accelerates toward its end — just like the historical collapse of the natural ice trade in the 1930s-40s.
📅 All 5 Eras at a Glance Round 26 — Synthesis
ERA 1
The Ice Pits
🗓 500 BCE–1700 CE
🌍 Persia · China · Rome
⏱ ~60 min (8 rounds)
🃏 35 cards, 3-pos wheel
🏗 Yakhchāl + Clay
👤 Tier 1 Specialists
🎯 Crystal deliveries to Palace + most Clay pits built
Tutorial era. Teaches core loop. No Season Wheel complexity yet.
ERA 2
The First Trade
🗓 1750–1830
🌍 New England · Caribbean
⏱ ~80 min (10 rounds)
🃏 45 cards, 4-pos wheel
🏗 Straw insulation
👤 Tier 1-2 Specialists
🎯 Most money · First to 3 customer types
Wheel introduced. Season Cards. Horse Teams. SURVEY action.
ERA 3
The Ice King
🗓 1830–1870
🌍 New England · India · UK
⏱ ~110 min (12 rounds)
🃏 64 cards, full 6-pos
🏗 Sawdust standard
👤 Tier 1-3 Specialists
🎯 Customer diversity · Crystal VP · Tudor Gamble
Crystal/Standard/Aged states. Wenham Lake. Tudor Gamble. Pioneer action. Contamination.
🎯 DUAL PATH: Last Harvest OR Pivot to Refrigeration
Customer Defection. Shrinking deck. Mechanical Refrigerators. Carl von Linde Specialist.
Campaign Total Time Estimate
Era 1: ~60 min · Era 2: ~80 min · Era 3: ~110 min · Era 4: ~130 min · Era 5: ~80 min = ~460 min total (7.5 hours). Across 5 sessions of 90-130 min each. Comparable to Pandemic Legacy Season 1 (10-12 hours) or Charterstone (8-10 hours). Marketed as a 5-session campaign.
Standalone Play
Each era works as a standalone game. Era 3 (The Ice King) is the recommended single-session entry point — full mechanics, ~110 min, strongest historical drama. Era 1 is the best teaching tool. Era 5 is the best for veteran players wanting maximum tension.
⚒ Complete Action List — Final Version
🪚 CUT
Lake card (out of network) OR any card (in-network). Harvest ice blocks from connected Frozen Pond. Season determines yield. Wenham Window: free Crystal in Deep Freeze round 1 for pond leader.
📦 PACK
Any card. Move ice into Ice House (own or any player's). Cost: 1 Sawdust to activate insulation. Opponent's Ice House: pay them £1/block. Your ice benefits from their insulation level.
🚚 SHIP
Customer card (out of network) OR any card (in-network). Deliver ice to Customer. VP based on state (Crystal=3, Standard=2, Aged=1). Earn income. Customer min state must be met.
🛷 OPEN ROUTE
Any card. Place 1 link tile (Ice Road £2, Gravel £5 + Horse Team, Railroad £9 + Steam Token). Two links in one action: +1 extra Horse Team or Steam Token. Second link must be adjacent to first.
🏗 ESTABLISH
Matching card (or any if in-network). Build building from Player Mat at valid location. Pay money + resources. Flip when building's specific condition met (varies per type).
⬆ UPGRADE TECHNIQUE
Any card + 1 Sawdust. Remove lowest-level building from Player Mat (skip to higher-level). Up to 2 buildings per action. Named for Wyeth's method improvements.
🔭 SURVEY
Discard 3 cards. Draw 2 Lake Tiles, place 1 (modular map expansion) return other. OR take 1 Wild Lake + 1 Wild Customer card. Cannot do both in same Survey action.
🎁 PIONEER A MARKET
1 card + 2 ice blocks donated. Place Pioneer Token on Customer. You earn +1VP/block for rest of era when SHIPping there. Tudor's strategy: give ice free to create permanent demand.
🚗 DEPLOY ICE WAGON (Era 4+)
Any card + Horse Team. Place Ice Wagon token on a Customer route. Each round: auto-delivers 1 block (if you have ice). Wagons can be contested via Ice War demand tile.
💰 BORROW AGAINST THE HARVEST
Any card. Take £30. Permanently lower income by 3 levels. Never repaid. Tudor went to debtor's prison 1812-13 using exactly this logic. Sometimes the gamble pays off.
⚙ BUILD REFRIGERATOR (Era 5)
Any card. Place Mechanical Refrigerator tile in a Town Zone. Scores 2VP at each High Summer scoring. Closes 1 natural Customer (they no longer need ice). 3 Refrigerators triggers era end.
🎯 THE TUDOR GAMBLE (Once per era)
Not a regular action — declared before any SHIP action. Ship 5+ blocks to a Customer 3+ links away. Crystal/Standard arrival: double VP. Aged arrival: lose all blocks + pay £5. Named for Tudor's 1806 Martinique voyage.
❤ What Players Will Feel — The Emotional Arc
Based on player preference research: great games make players feel something specific at every moment. Here's the emotional design intent for each era:
Eras 1-2 → Wonder & Ambition
Ice is precious and rare. Every Crystal block feels like treasure.
The market is small. Your decisions define the landscape.
You're building something that doesn't exist yet.
Historical echo: Tudor's first gamble on ice trade.
Eras 3-4 → Triumph & Competition
The golden age. Maximum mechanics. Maximum rivals.
The Season Wheel is both enemy and opportunity.
Watching an Ice Famine destroy a rival's stock is brutal.
The Tudor Gamble moment: table goes silent.
Historical echo: Norway vs. New England price wars.
Era 5 → Melancholy & Urgency
Each closed customer is a small loss. The world is ending.
Do you hold on (Last Harvester path) or let go (Refrigerator path)?
The shrinking deck makes every card feel precious.
Historical echo: Baltazar Ushca, last ice man of Chimborazo.