From: Microsoft

List Price: $9.99
Buy New: $5.95
You Save: $4.04 (40%)

New (9) Used (8)  from $3.95

Avg. Customer Rating: 10 reviews
Sales Rank: 752
Category: Video Games
ASIN: B0012DPHKW
Release Date: January 15, 2008
Availability: Usually ships in 1-2 business days

From: Electronic Arts

List Price: $9.99
Buy New: $7.99
You Save: $2.00 (20%)

New (15) Used (6)  from $4.94

Avg. Customer Rating: 20 reviews
Sales Rank: 1852
Category: Video Games
ASIN: B000YIYB3K
Release Date: January 15, 2008
Availability: Usually ships in 1-2 business days

From: Microsoft

List Price: $49.99
Buy New: $45.24
You Save: $4.75 (10%)

New (11) Used (4)  from $37.79

Avg. Customer Rating: 18 reviews
Sales Rank: 1224
Category: Video Games
ASIN: B001BZ2F56
Release Date: September 30, 2008
Availability: Usually ships in 1-2 business days

From: Gathering Of Developers

List Price: $29.95
Buy New: $2.49
You Save: $27.46 (92%)

New (11) Used (4)  from $2.49

Avg. Customer Rating: 3 reviews
Sales Rank: 3099
Category: Video Games
ASIN: B00183K7JM
Availability: Usually ships in 1-2 business days

From: Activision

List Price: $19.99
Buy New: $4.72
You Save: $15.27 (76%)

New (15)  from $4.72

Avg. Customer Rating: 4 reviews
Sales Rank: 4043
Category: Video Games
ASIN: B0012V3SD2
Release Date: January 15, 2008
Availability: Usually ships in 1-2 business days

From: Activision Inc.

List Price: $29.99
Buy New: $13.47
You Save: $16.52 (55%)

New (18) Used (6)  from $12.62

Sales Rank: 8172
Category: Video Games
ASIN: B000PE0GLO
Release Date: September 11, 2007
Availability: Usually ships in 1-2 business days

From: Activision Inc.

List Price: $19.99
Buy New: $19.95
You Save: $0.04 (0%)

New (10) Used (4)  from $12.50

Sales Rank: 5136
Category: Video Games
ASIN: B000PE0GLY
Release Date: February 1, 2008
Availability: Usually ships in 1-2 business days

From: Strategy First

List Price: $19.95
Buy New: $4.53
You Save: $15.42 (77%)

New (10) Used (1)  from $4.53

Avg. Customer Rating: 4 reviews
Sales Rank: 7023
Category: Video Games
ASIN: B0006TYTUC
Availability: Usually ships in 1-2 business days

From: Valusoft

List Price: $19.99
Buy New: $17.79
You Save: $2.20 (11%)

New (8) Used (1)  from $17.50

Avg. Customer Rating: 3 reviews
Sales Rank: 3735
Category: Video Games
ASIN: B001AWOVA2
Release Date: August 29, 2008
Availability: Usually ships in 1-2 business days

From: Take 2 Interactive

List Price: $29.95
Buy New: $6.79
You Save: $23.16 (77%)

New (16) Used (5)  from $3.19

Avg. Customer Rating: 1 reviews
Sales Rank: 9770
Category: Video Games
ASIN: B000KPKLI6
Availability: Usually ships in 1-2 business days