[Games] that utilize new Google Play Game Services feature (Updated)

http://www.theverge.com/2013/5/15/4327880/google-announces-android-game-center-competitor

So android's new game service that was revealed at I/O 20013 includes achievements cloud saves, matchmaking, and leaderboards.

Here are some games that were already upgraded:

[ARCADE & ACTION]

Can Knockdown 3: Free

COLORUS: $0.91

Eufloria HD: $4.99 / Eufloria HD Demo: Free

Farm Invasion USA: Free

Granny Smith: $1.04

GRave Defense HD: $2.94 / GRave Defense HD Free: Free

Gunslugs: $2.61 / Gunslugs Free: Free

Kingdom Rush: $1.99

Mega Run - Redford's Adventure: Free

Modern Combat 4: Zero Hour: $6.99

Online RPG AVABEL: Free

Osmos HD: $2.99

Radiant Defense: Free

Robotek: Free

Wind-up Knight: Free

[BRAIN & PUZZLE]

7x7: Free

Ball Maze: Free

Plague Inc.: Free

Rocket Island: Free

Triple Town: Free

WordKick: Free

World of Goo: $2.99

[CASUAL]

Campus Life: Free

Super Stickman Golf 2: Free

Townsmen: Free

[RACING]

Beach Buggy Blitz: Free

Riptide GP: $1.99

Shine Runner: 99 cents

Any other games that utilize these new features?

I'll update the list periodically.