1. Commonly Used Challenges Physical Coordination Challenges Logic and Mathematical Challenges Races and Time Pressure Factual Knowledge Challenges Memory Challenges Pattern Recognition Challenges Exploration Challenges Conflict Economic Challenges

2. Physical Coordination Challenges SPEED AND REACTION TIME http://www.wimp.com/niceskill/ http://youtu.be/caiIamHIzBY?t=51s

3. Physical Coordination Challenges ACCURACY AND PRECISION http://youtu.be/GWIPn_BvrPE?t=16m20s http://youtu.be/pFDS2oFmugs?t=10m32s

4. Physical Coordination Challenges INTUITIVE UNDERSTANDING OF PHYSICS http://youtu.be/7-U8ARAVx-s?t=1m15s http://youtu.be/yf9qcI2LXVw?t=18s

5. Physical Coordination Challenges TIMING AND RHYTHM

6. Logic and Mathematical Challenges FORMAL LOGIC PUZZLES TRIAL AND ERROR http://youtu.be/olfLaenSQzY?t=22s MATHEMATICAL CHALLENGES

7. Races and Time Pressure Finish First Time constraint used to increase stress http://youtu.be/3wAt7jgnGwI?t=23m22s

8. Factual Knowledge Challenges Trivia and quiz games It would be unfair for the player to come up with real world facts for other genre

9. Memory Challenges Test the player’s ability to recall things that she has seen or heard in the game.

10. Pattern Recognition Challenges Test the player’s ability to spot visible or audible patterns or change in pattern and behavior

11. Exploration Challenges SPATIAL AWARENESS CHALLENGES requires the player to navigate around an unfamiliar and complicated space. http://youtu.be/CqsU5nWLguU?t=1m38s

12. Exploration Challenges LOCKED DOORS http://youtu.be/IX1N5d7-0SI?t=24m16s

13. Exploration Challenges TRAPS

14. Exploration Challenges MAZES every place looks alike ILLOGICAL SPACES do not relate to each other in a way that the player might reasonably expect

15. Exploration Challenges TELEPORTERS https://www.youtube.com/watch?v=oxVh8QA So40 https://www.youtube.com/watch?v=oxVh8QA So40

16. Exploration Challenges FINDING HIDDEN OBJECTS Easter eggs http://youtu.be/VnwKTQZtQv0?t=6m15s

17. Conflict Strategy Tactics Logistics Stealth

18. Economic Challenges ACCUMULATING RESOURCES ACHIEVING BALANCE CARING FOR LIVING THINGS

19. Actions Unstructured play Actions for creation and self-expression Actions for socialization Actions to participate in the story Actions to control the game software

20. Unstructured play Fun actions that don’t address challenges

21. Actions for creation and self-expression Customization There are some constraints http://youtu.be/5a0gOK2zJiU?t=1m40s http://youtu.be/j86he-H_wPA?t=1m

22. Actions for socialization Communication with other players

23. Actions to participate in the story Interactive Dialog Interactive NPC

24. Actions to control the game software Pause Resume Save Level of difficulty Volume control

25. Reasons for Saving a Game Allowing the player to leave the game and return to it later. Letting the player recover from disastrous mistakes. Encouraging the player to explore alternate strategies.

26. Consequences for Immersion and Storytelling outside the game world which harms the player’s immersion the act of saving destroys the illusion the moment you allow a player to repeat the past, you acknowledge the unreality of the game world the arguments for saving outweigh these disadvantages

27. Ways of Saving a Game PASSWORDS SAVE TO A FILE OR SAVE SLOT QUICK-SAVE AUTOMATIC SAVE AND CHECKPOINTS Least harmful to immersion