Gravity Games is a subtheme of Sports that consists of 10 sets that ran from 2003 to 2004. Most sets were released in 2003 which accounted for 8 sets. As of today, the average annual growth of sets in Sports Gravity Games is approximately 4.5% per year.
Most valuable Sports Gravity Games set
3538 Snowboard Boarder Cross Race $275.93
Largest Sports Gravity Games set
3585 Snowboard Super Pipe 227 pieces
The Gravity Games subtheme was a Sports theme introduced by LEGO in 2003 and lasted only one year. The subtheme was mainly based around the real-world winter of 2003 Gravity Games specifically skateboarding and snowboarding.

Gravity Games consisted of 9 sets, some of which were small promotional sets and were known for their features that included the ability to ramp and slide minifigs on snowboards or skateboards.
10 sets

7921 Grey Vest Skateboarder

Theme / Subtheme Sports / Gravity Games
Year 2004
Pieces / Minifigs 6 / 1
Availability Retired
7921 LEGO Gravity Games Grey Vest Skateboarder
promotional
Value $14.52
Annual growth 12.0%

7922 Orange Vest Snowboarder

Theme / Subtheme Sports / Gravity Games
Year 2004
Pieces / Minifigs 5 / 1
Availability Retired
7922 LEGO Gravity Games Orange Vest Snowboarder
promotional
Value $7.46
Annual growth 3.1%

3585 Snowboard Super Pipe

Theme / Subtheme Sports / Gravity Games
Year 2003
Pieces / Minifigs 227 / 2
Availability Retired
3585 LEGO Gravity Games Snowboard Super Pipe
Retail $49.99
Value $203.50
Growth  +307.1%
Annual growth 6.6%

3538 Snowboard Boarder Cross Race

Theme / Subtheme Sports / Gravity Games
Year 2003
Pieces / Minifigs 195 / 2
Availability Retired
3538 LEGO Gravity Games Snowboard Boarder Cross Race
Retail $29.99
Value $275.93
Growth  +820.1%
Annual growth 10.6%

3537 Skateboard Vert Park Challenge

Theme / Subtheme Sports / Gravity Games
Year 2003
Pieces / Minifigs 88 / 2
Availability Retired
3537 LEGO Gravity Games Skateboard Vert Park Challenge
Retail $19.99
Value $85.15
Growth  +326.0%
Annual growth 3.3%

3536 Snowboard Big Air Comp

Theme / Subtheme Sports / Gravity Games
Year 2003
Pieces / Minifigs 82 / 1
Availability Retired
3536 LEGO Gravity Games Snowboard Big Air Comp
Retail $14.99
Value $46.46
Growth  +209.9%
Annual growth 5.3%

3535 Skateboard Street Park

Theme / Subtheme Sports / Gravity Games
Year 2003
Pieces / Minifigs 69 / 1
Availability Retired
3535 LEGO Gravity Games Skateboard Street Park
Retail $9.99
Value $50.23
Growth  +402.8%
Annual growth 4.5%

5018 Snowboard

Theme / Subtheme Sports / Gravity Games
Year 2003
Pieces / Minifigs 17 / 1
Availability Retired
5018 LEGO Gravity Games Snowboard
promotional
Value $53.95
Annual growth 8.8%

5015 Skateboarder

Theme / Subtheme Sports / Gravity Games
Year 2003
Pieces / Minifigs 15 / 1
Availability Retired
5015 LEGO Gravity Games Skateboarder
promotional
Value $9.69
Annual growth 2.2%

3389 Skater Boy

Theme / Subtheme Sports / Gravity Games
Year 2003
Pieces / Minifigs 5 / 1
Availability Retired
3389 LEGO Gravity Games Skater Boy
promotional
Value $26.07
Annual growth 5.7%