The games have features like increasing challenges, rules that establish what can and cannot be done, and involvement of the player in the quest to gain skills and win the game (Kirriemuir & McFarlane, 2004; Prensky, 2005).
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	2:det	Discourse=elaboration-additional:38->37:0|Entity=(29-abstract-giv:act-cf1*-2-coref
2	games	game	NOUN	NNS	Number=Plur	3	nsubj	3:nsubj	Entity=29)
3	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	0:root	_
4	features	feature	NOUN	NNS	Number=Plur	3	obj	3:obj	Entity=(117-abstract-new-cf5-1-sgl
5	like	like	ADP	IN	_	7	case	7:case	_
6	increasing	increase	VERB	VBG	VerbForm=Ger	7	amod	7:amod	Entity=(118-abstract-new-cf13-2-sgl
7	challenges	challenge	NOUN	NNS	Number=Plur	4	nmod	4:nmod:like	Entity=118)|SpaceAfter=No
8	,	,	PUNCT	,	_	9	punct	9:punct	_
9	rules	rule	NOUN	NNS	Number=Plur	7	conj	4:nmod:like|7:conj:and|11:nsubj	Entity=(119-abstract-new-cf14-1-sgl
10	that	that	PRON	WDT	PronType=Rel	11	nsubj	9:ref	Discourse=elaboration-attribute:39->38:0
11	establish	establish	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	9	acl:relcl	9:acl:relcl	_
12	what	what	PRON	WP	PronType=Rel	11	obj	9:ref	_
13	can	can	AUX	MD	VerbForm=Fin	18	aux	18:aux	_
14	and	and	CCONJ	CC	_	18	cc	18:cc	_
15-16	cannot	_	_	_	_	_	_	_	_
15	can	can	AUX	MD	VerbForm=Fin	18	aux	18:aux	XML=<w>
16	not	not	PART	RB	Polarity=Neg	18	advmod	18:advmod	XML=</w>
17	be	be	AUX	VB	VerbForm=Inf	18	aux:pass	18:aux:pass	_
18	done	do	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	12	acl:relcl	12:acl:relcl	Entity=119)|SpaceAfter=No
19	,	,	PUNCT	,	_	21	punct	21:punct	_
20	and	and	CCONJ	CC	_	21	cc	21:cc	Discourse=joint-list_m:40->38:1
21	involvement	involvement	NOUN	NN	Number=Sing	7	conj	4:nmod:like|7:conj:and	Entity=(120-abstract-new-cf15-1-sgl
22	of	of	ADP	IN	_	24	case	24:case	_
23	the	the	DET	DT	Definite=Def|PronType=Art	24	det	24:det	Bridge=29<121|Entity=(121-person-acc:inf-cf4-2-sgl
24	player	player	NOUN	NN	Number=Sing	21	nmod	21:nmod:of	Entity=121)
25	in	in	ADP	IN	_	27	case	27:case	_
26	the	the	DET	DT	Definite=Def|PronType=Art	27	det	27:det	Entity=(122-event-new-cf7-2-sgl
27	quest	quest	NOUN	NN	Number=Sing	21	nmod	21:nmod:in	_
28	to	to	PART	TO	_	29	mark	29:mark	Discourse=purpose-attribute:41->40:0
29	gain	gain	VERB	VB	VerbForm=Inf	27	acl	27:acl:to	_
30	skills	skill	NOUN	NNS	Number=Plur	29	obj	29:obj	Entity=(123-abstract-new-cf6-1-sgl)
31	and	and	CCONJ	CC	_	32	cc	32:cc	Discourse=joint-list_m:42->41:0
32	win	win	VERB	VB	VerbForm=Inf	29	conj	27:acl:to|29:conj:and	_
33	the	the	DET	DT	Definite=Def|PronType=Art	34	det	34:det	Bridge=29<124|Entity=(124-abstract-acc:inf-cf3-2-sgl
34	game	game	NOUN	NN	Number=Sing	32	obj	32:obj	Entity=124)122)120)117)
35	(	(	PUNCT	-LRB-	_	36	punct	36:punct	Discourse=explanation-evidence:43->38:2|SpaceAfter=No
36	Kirriemuir	Kirriemuir	PROPN	NNP	Number=Sing	21	dep	21:dep	Entity=(125-abstract-new-cf11-1,3-sgl(126-person-new-cf8-1-sgl)
37	&	&	CCONJ	CC	_	38	cc	38:cc	_
38	McFarlane	McFarlane	PROPN	NNP	Number=Sing	36	conj	21:dep|36:conj:and	Entity=(127-person-new-cf9-1-sgl)|SpaceAfter=No
39	,	,	PUNCT	,	_	40	punct	40:punct	_
40	2004	2004	NUM	CD	NumForm=Digit|NumType=Card	36	nmod:tmod	36:nmod:tmod	Entity=(128-time-new-cf16-1-sgl)125)|SpaceAfter=No|XML=<date when:::"2004"></date>
41	;	;	PUNCT	:	_	42	punct	42:punct	_
42	Prensky	Prensky	PROPN	NNP	Number=Sing	36	conj	21:dep|36:conj	Entity=(129-abstract-new-cf12-1-sgl(130-person-new-cf10-1-sgl)|SpaceAfter=No
43	,	,	PUNCT	,	_	44	punct	44:punct	_
44	2005	2005	NUM	CD	NumForm=Digit|NumType=Card	42	nmod:tmod	42:nmod:tmod	Entity=(90-time-giv:inact-cf2-1-coref)129)|SpaceAfter=No|XML=<date when:::"2005"></date>
45	)	)	PUNCT	-RRB-	_	36	punct	36:punct	SpaceAfter=No
46	.	.	PUNCT	.	_	3	punct	3:punct	_
