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Information
Designer
Publisher
Year Published
2009
# of Players
2 − 5
User Suggested # of Players
(Not best with any number)
Recommended with 2, 3, 4 players
(12 voters) [poll]
Mfg Suggested Ages
10 and up
Playing Time
30 minutes
User Suggested Ages
8 and up
(2 voters) [poll]
Language Dependence
Extensive use of text - massive conversion needed to be playable
(6 voters) [poll]
Subdomain
(9 voters) [vote]
Category
Mechanic
Primary Name
Erosion
Alternate Names
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ObjectID: 54372
Description Edit | History

In Erosion, uplift your mountain by eroding those of other players. At the end of each round, gain points for cards in your mountain and delta.

The basic rules introduce the four player actions: Weathering, Hillslope, Fluvial, and Draw Cards. The advanced rules add details: atmospheric change, ice ages, glaciers, flood volcanism, quakes, etc.

Mountains are far more dynamic than the limitations of human lifetimes would suggest. Their growth and death involve cycles that keep the planet habitable. The machinery of these cycles is called erosion: the weathering of rock and its transport to the sea. Once there, it is subducted into the mantle, where volcanoes return the silicates, sulfates, water, carbon dioxide, and oxygen to the surface.

Almost every step of the erosion process is catalyzed by water. For instance, in your turn you may weather rock using crystallization (busting rock by growing evaporated salt crystals), then transport the remains to the River using creep (movement propelled by wet/dry and freeze/thaw cycles). Once plunked in the River, the eroded material is moved as sediment to the sea. Braided rivers carry the maximum sediment load, but they are the least stable (and the trickiest to play).

The role of erosion in atmosphere control is often overlooked. Every mountain is a titanic terraformer and greenhouse gas scrubber. Weathering removes 100 billion tons of oxygen and 800 billion tons of carbon dioxide from the air each year. Although the biological functions of respiration and decay contribute more to the atmosphere than erosion, during many past episodes it was the other way around. Left unchecked, a major orogenic (mountain-building) event removes so much CO2 that the oceans would freeze over in less than an Erosion game turn (6 million years, the same scale as for the game American Megafauna). On the other hand, a major flood volcano such as the Deccan Traps has poured hundreds of trillions of tons of CO2 back into the air, dwarfing the outputs of all human industry combined.

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More Information Edit | History
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Erosion
Nick: 
Sierra Madre Games English edition
Publisher: Sierra Madre Games
Artist: 
Year: 2009
Size: 4.25 x 3.00 x 1.50 inches
English
Release Date:  
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Files
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Pg. 1 of 1
4 Erosion Korean Rules
Erosion Korean Rules. As I play this game, the rules may be updated.
Korean
2010-09-18
15 Erosion Rules Spanish
Here is the spanish translation of the Erosion Living Rules.
Spanish
2010-08-23
26 Erosion English Living Rules (10-3-09).pdf
Erosion English Living Rules (10-3-09).pdf
English
2009-10-06
16 Diagram of card flow
Shows how cards flow in the basic game. Marbled effect is card back, grey is card front.
English
2009-09-22
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Statistics
Board Game Rank: 3711
Strategy Game Rank: 1121
Num Ratings: 205
Average Rating: 6.27
Standard Deviation: 1.42
Num Views: 35178
GeekBuddy Analysis: Analyze
Similarly Rated: View
Avg. Game Weight: 2.0
Fans: 12
Personal Comments: 101
Users Owning: 355
Users Wanting: 37
Users Trading: 14 [find trade matches]
Has Parts For Trade: 0
Want Parts In Trade: 3
Price History: View
Total Plays: 464
Plays This Month: 0
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