# Student Handout — System Mapping, Dependencies, and Cause-and-Effect Logic (IFTT)

- Link: https://doss.academy/course-2-game-design-development-principles/unit-4-game-design-core-loop-systems/lesson-2-system-mapping-dependencies-and-cause-and-effect-logic-iftt/student-handout/
- Published: 2026-10-18T12:28:05-04:00
- Author: matthew.leffler@jefferson.kyschools.us

Course 2: Game Design & Development Principles / Unit 4: Game Design Core Loop &
Systems / Lesson 2: System Mapping, Dependencies, and Cause-and-Effect Logic (IFTT)

## Game Systems & Dependency Mapping Guide.

Name: ____________________ Date: ____________________

## Explore and practice

System mapping walkthrough, dependency chart exercise, and logic chain creation.
CainOnGames video: The Origin of Reactivity (discussion and analysis).

## Record your work

Describe what you tried, show your work or attach your artifact, and explain what
your evidence demonstrates.

________________________________________________________________

________________________________________________________________

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## Use the vocabulary

System Mapping, Dependency, Cause-and-Effect, Logic Chain, Game Variables, Systemic
Gameplay, Interconnectedness, Emergent Gameplay, State Machine, Input-Output Logic

Use relevant terms above to explain one part of your work.

## Check and reflect

 * I completed the assigned activity and recorded my work.
 * I used lesson vocabulary accurately.
 * I can explain one thing I learned and one question I still have.

## Resources

 * **The Origin of Reactivity**
 * YouTube loads only when you press play.
 * [Watch on YouTube (opens in a new tab)](https://www.youtube.com/watch?v=u0pJN3jpUjQ)
 * [Open CodeHS course lesson explorer (opens in a new tab)](https://codehs.com/course/21074/explore?lang=en)

## Lesson assets

### Civilization I: Same Start, Different Worlds

[Open Civilization I: Same Start, Different Worlds (DOCX · new tab)](https://doss.academy/wp-content/uploads/2026/10/doss-civilization-study.docx)

### Worksheet: Tech Tree Dependency Architecture

[Open Worksheet: Tech Tree Dependency Architecture (DOCX · new tab)](https://doss.academy/wp-content/uploads/2026/10/doss-tech-tree-dependencies.docx)