A Book of Lenses: categorization

	A	B	C	D	E	F	G
1	Lens #	Name "The Lens of..."	Summary	Chapter	Too Broad	Too elementary	Goal finding and evaluation

2	1	Essential Experience		2	x		x
3	2	Surprise		3
4	3	Fun		3	x	x
5	4	Curiosity		3	x
6	5	Endogenous Value	How do players feel about the game	3	x		x
7	6	Problem Solving		3
8	7	the Elemental Tetrad	Mechanics, Aesthetics, Technology, Story	4
9	8	Holographic Design	See everything at once	5	x	x
10	9	Unification	theme	5	x	x	x
11	10	Resonance	draw from experience	5	x		x
12	11	Infinite Inspiration		6	x	x	x
13	12	the Problem Statement		6	x	x	x
14	13	the Eight Filters		7			x
15	14	Risk Mitigation		7	x	x
16	15	the Toy		7
17	16	the Player		8			x
18	17	Pleasure		8	x	x
19	18	Flow	goals	9
20	19	Needs	Maslow's Hierarchy	9	x
21	20	Judgment		9
22	21	Functional Space		10
23	22	Dynamic State		10
24	23	Emergence	Verbs and Nouns	10
25	24	Action	Verbs and Nouns	10
26	25	Goals	see 4 and 15	10			x
27	26	Rules		10
28	27	Skill		10
29	28	Expected Value	Statistics	10	x
30	29	Chance	Randomness	10
31	30	Fairness	see 20	11
32	31	Challenge	see 6	11
33	32	Meaningful Choices		11
34	33	Triangularity	see 28 and 29	11
35	34	Skill vs. Chance	see 27	11
36	35	Head and Hands		11
37	36	Competition	see 20 and 38	11
38	37	Cooperation	see 38	11
39	38	Competition vs. Cooperation		11
40	39	Time		11
41	40	Reward		11
42	41	Punishment		11
43	42	Simplicity/Complexity		11
44	43	Elegance		11
45	44	Character		11
46	45	Imagination		11
47	46	Economy		11
48	47	Balance		11	x	x
49	48	Accessibility		12
50	49	Visible Progress		12
51	50	Parallelism		12
52	51	the Pyramid		12	x
53	52	the Puzzle		12
54	53	Control		13
55	54	Physical Interface		13
56	55	Virtual Interface		13
57	56	Transparency		13
58	57	Feedback		13
59	58	Juciness	see 40	13
60	59	Channels and Dimensions		13
61	60	Modes		13
62	61	the Interest Curve		14	x
63	62	Inherent Interest		14	x
64	63	Beauty		14	x	x
65	64	Projection		14	x
66	65	the Story Machine		15
67	66	the Obstacle		15	x
68	67	Simplicity and Transcendence		15
69	68	the Hero's Journey		15	x
70	69	the Weirdest Thing		15	x
71	70	Story		15			x
72	71	Freedom	see 32	16
73	72	Indirect Control		16
74	73	Collusion		16	x		x
75	74	the World		17
76	75	the Avatar		18	x
77	76	Character Function		18	x
78	77	Charcter Traits		18	x	x
79	78	the Interpersonal Circumplex		18	x
80	79	the Character Web		18	x
81	80	Status		18	x
82	81	Character Transformation		18	x
83	82	Inner Contradiction		19	x		x
84	83	The Nameless Quality	Snooty architecture	19	x
85	84	Friendship	see 38	22	x
86	85	Expression	see 32	22
87	86	Community	see 36 and 37	22
88	87	Griefing	see 38	22
89	88	Love		23			x
90	89	the Team		23	x
91	90	Documentation		24	x
92	91	Playtesting		25
93	92	Technology		26
94	93	the Crystal Ball		26	x
95	94	the Client		27	x
96	95	the Pitch		28	x
97	96	Profit		29	x
98	97	Transformation	combine with 98	30
99	98	Responsibility		31
100	99	the Raven		32			x