boardgame-design（桌游设计）

Board Game Design Skill

Overview

This skill provides comprehensive guidance for designing engaging board games, with emphasis on German-style Eurogame principles. It covers mechanical design, balance analysis, asymmetric faction design, resource economy systems, playtesting methodology, and rules documentation.

Core Design Philosophy

The Eurogame Approach

German-style Eurogames emphasize:

1. Strategy Over Luck: Minimize randomness; player decisions should drive outcomes
2. No Player Elimination: Everyone stays engaged until the end
3. Indirect Conflict: Competition through position, resources, and efficiency rather than direct attacks
4. Multiple Paths to Victory: No single dominant strategy
5. Elegant Mechanics: Maximum strategic depth from minimal rules complexity
6. Bounded Play Time: Built-in mechanisms to limit game length (fixed turns, resource depletion, scoring thresholds)

What Makes Games Fun

• Meaningful Decisions: Every choice should have trade-offs and consequences
• Appropriate Challenge: Difficulty that creates satisfaction without frustration
• Player Interaction: Opponents' actions should matter to your strategy
• Emergent Complexity: Simple rules that create rich strategic possibilities
• Steady Pacing: Interesting events throughout; no "grinding" phases
• Replayability: Variability and multiple strategies encourage repeated play

Key Design Workflows

1. Mechanical Design

When designing core mechanics:

• Identify the Core Loop: What is the most repeated action? It must be simple, fun, and have depth
• Establish Core Constraints: A central limitation that drives all decisions (e.g., Lift ≥ Weight in UP SHIP!)
• Design Feedback Loops: Actions should create cascading effects and player interaction
• Create Tension Points: Moments of meaningful scarcity and difficult choices
• Balance Simplicity and Depth: "Elegance" means rich strategy from few rules

2. Resource Economy Design

Resources are the lifeblood of strategic games:

• Define Resource Types: Money, actions, time, components, information
• Create Scarcity: Limited resources force meaningful choices
• Design Flow: Sources (generation), sinks (consumption), and conversion paths
• Ebb and Flow: Scarcity that changes over the game creates dynamic tension
• Control = Power: Whoever controls a scarce resource gains strategic advantage
• Multiple Currencies: Different resource types that don't directly convert create interesting trade-offs

The Action Economy: The most precious resource is often actions/turns. When designing:

• Make every action feel valuable
• Create opportunity cost between competing good options
• Consider: "I take it, opponent takes it, or it doesn't happen"

3. Asymmetric Faction Design

Asymmetry increases replayability but requires careful balance:

Types of Asymmetry (from subtle to extreme):

1. Asymmetric Results: Same rules, different outcomes from choices (Monopoly)
2. Asymmetric Starting Positions: Different initial resources/positions (Catan)
3. Asymmetric Abilities: Special powers that modify standard rules (Terra Mystica)
4. Asymmetric Rules: Fundamentally different gameplay for each faction (Root)

Balance Principles:

• Players should feel powerful, not restricted
• Each faction needs at least 3 viable strategic paths
• Trade-offs should be meaningful: strong at X, weaker at Y
• Theme should justify mechanical differences
• Consider self-balancing through player interaction (ganging up on leaders)
• "Dial down" extremes: moderate bonuses are easier to balance

Testing Asymmetry:

• Asymmetry creates combinatorial explosion of test cases
• Focus playtesting on faction vs. faction matchups
• Track win rates by faction over many games
• Watch for perceived imbalance vs. actual imbalance

4. Balance Analysis

Balance ensures fair competition and strategic viability:

Pre-Playtest Balance:

• Mathematical modeling of cost-benefit ratios
• Compare similar options: are costs proportional to power?
• Check for dominant strategies on paper
• Model income/resource generation over game length

Balance Levers:

• Costs (acquisition price, upkeep, opportunity cost)
• Power (immediate effect, ongoing benefit, win condition contribution)
• Availability (scarcity, prerequisites, timing)
• Risk (variance, dependencies, counter-play)

Handling Runaway Leaders:

• Catch-up mechanisms (bonus for trailing players)
• Diminishing returns on accumulated advantage
• Player interaction as natural balancing (targeting the leader)
• Hidden scoring until game end

5. Playtesting Methodology

Playtesting is iterative, time-consuming, and essential:

Phase 1: Solo Testing

• Test core loop alone
• Verify basic mechanics work
• Identify obvious broken strategies
• Goal: Does the game function?

Phase 2: Guided Testing

• Play with interested friends/colleagues
• Watch for dominant strategies and unexpected behavior
• Begin mechanical balancing
• Goal: Is the game playable and interesting?

Phase 3: Blind Testing

• External playtesters with no guidance
• Observe without intervening
• Test rulebook clarity
• Goal: Can people learn and enjoy it independently?

Best Practices:

• Observe behavior, don't just ask opinions (actions reveal more than words)
• Track specific metrics: game length, decision time, win rates
• Change one variable at a time when iterating
• Distinguish "perceived balance" from actual balance
• Feedback loop: implement → test → analyze → repeat

6. Rules Documentation

Clear rules prevent confusion and arguments:

• Organize by Phase/Turn Structure: Players should find rules in play order
• Define Terms Early: Establish vocabulary before using it
• Handle Edge Cases: Anticipate conflicts and provide resolution
• Include Examples: Concrete illustrations of abstract rules
• Create Quick Reference: Summary card for experienced players
• Cross-Reference: Link related sections for easy navigation
• Playtest the Rulebook: Rules are a product that needs testing too

Supporting Resources

This skill includes reference files in references/:

• eurogame-principles.md - Deep dive on German-style design philosophy
• balance-methodology.md - Systematic approaches to game balance
• design-checklist.md - Validation checklist for complete game designs

When This Skill Activates

Claude uses this skill when you:

• Request help designing a new game or game system
• Ask for balance analysis of existing mechanics
• Want to design or validate asymmetric factions
• Need help with resource economy design
• Ask for rules clarity review
• Request playtesting methodology guidance
• Ask about making a game "more fun" or "more engaging"

Example Workflows

Example: Designing a New Resource System

When asked "How should I design an engineer economy?":

1. Define the resource's role (what does it enable?)
2. Identify sources (how are engineers acquired?) and costs
3. Identify sinks (how are engineers consumed/spent?)
4. Create scarcity tension (never enough for everything)
5. Add trade-offs (using engineers for X means not using them for Y)
6. Model mathematically (income vs. consumption over game length)
7. Design focused playtest to validate

Example: Balancing Asymmetric Factions

When asked "Is faction X balanced?":

1. List faction's unique abilities and constraints
2. Compare power level to other factions' abilities
3. Identify intended trade-offs (what's the cost of the benefit?)
4. Check for unintended synergies or exploits
5. Review win rate data if available
6. Suggest adjustments if needed (dial up/down specific abilities)
7. Design faction-focused playtest scenarios

Example: Making a Mechanic More Engaging

When asked "This part of the game feels boring":

1. Identify the specific mechanic/phase in question
2. Analyze: Is there meaningful choice? Tension? Consequence?
3. Check pacing: Too slow? Too predictable?
4. Look for "grinding" (repetitive actions without interesting decisions)
5. Consider adding: scarcity, trade-offs, player interaction, or stakes
6. Propose targeted changes that preserve overall design
7. Plan A/B playtest comparing old vs. new version