This document discusses various game mechanics related to progression, including:
- Actions, rewards, and triggers that define game mechanics
- Progression systems that increase difficulty over time to maintain player engagement
- Progression elements like levels, scores, abilities, and pick-ups/power-ups that encourage advancement
- How tools, controllers, and chargers can expand gameplay options and promote certain goals like racing or skill acquisition
It provides examples and considerations for implementing different progression mechanics and analyzing their impact on game design.