> For the complete documentation index, see [llms.txt](https://whitepaper.ertha.io/ertha-whitepaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://whitepaper.ertha.io/ertha-whitepaper/game-mechanics.md).

# Game Mechanics

![](/files/-Mj4URfo8U7S8NntlvY7)

Game Mechanics consist of these topics:

* [Energy Mechanics](/ertha-whitepaper/game-mechanics/energy-mechanics.md)
* [Production Mechanics](/ertha-whitepaper/game-mechanics/production-mechanics.md)
* [Companies](/ertha-whitepaper/game-mechanics/companies.md)
* [Jobs Mechanics](/ertha-whitepaper/game-mechanics/jobs-mechanics.md)
* [Industries Mechanics](/ertha-whitepaper/game-mechanics/industries-mechanics.md)
* [Market Mechanics](/ertha-whitepaper/game-mechanics/market-mechanics.md)
* [International Trade Mechanics](/ertha-whitepaper/game-mechanics/international-trade-mechanics.md)
* [Transportation Mechanics](/ertha-whitepaper/game-mechanics/transportation-mechanics.md)
* [Fight Mechanics](/ertha-whitepaper/game-mechanics/fight-mechanics.md)
* [Training Mechanics](/ertha-whitepaper/game-mechanics/training-mechanics.md)
* [Hacking Mechanics](/ertha-whitepaper/game-mechanics/hacking-mechanics.md)
* [Study Mechanics](/ertha-whitepaper/game-mechanics/study-mechanics.md)
* [Missions Mechanics](/ertha-whitepaper/game-mechanics/missions-mechanics.md)
* [Fiscal Policy / Budget Mechanics](/ertha-whitepaper/game-mechanics/fiscal-policy-budget-mechanics.md)