At Google I/O Play Game services was introduced. A number of games have been updated to take advantage of this Game Center alternative. These include –

5 Tiles (Free) (achievements)
A2Z (Free) ( achievements)
Avabel Online (Free) (90 achievements)
Ball Maze (Free/$1.29) ( achievements)
Beach Buggy Blitz (Free) (48 achievements)
Chip Chain (Free) (43 achievements)
Circulo (Free) (12 achievements)
Cosmic Defense (Free/$0.99) ( achievements)
Eternity Warriors 2 (Free) (29 achievements)
Eufloria (Free/$4.99) (achievements)
Eyelord (Free) ( achievements)
Farm Invasion USA (Free/$5.20) (20 achievements)
GRave Defense HD (Free/$2.99) ( achievements)
Gunslugs (Free/$1.49) ( achievements)
Hungry Slimes (Free/$1.29) ( achievements)
Ice World Labirynth (Free) (achievements)
Kingdom Rush ($1.99) (achievements)
Mega Run (Free) (achievements)
Memory Temple (Free) (achievements)
Modern Combat 4: Zero Hour ($6.99) (49 achievements)
No Gravity ($3.50) ( achievements)
Numbers Plus Game (Free) (achievements)
Osmos ($2.99) (?achievements)
PBA Bowling Challenge (Free) ( achievements)
Plague Inc. (Free) (54 achievements)
Plasma Sky ($1.99) ( achievements)
Riptide GP ($1.99) ( achievements)
Rocket Island (Free) (24 achievements)
Save the Puppies (Free) (36 achievements)
Shine Runner ($0.99) ( achievements)
Stick Stunt Biker 2 (Free) (achievements)
Super Stickman Golf 2 (Free) (60 achievements)
Townsmen (Free) (61 achievements)
Triple Town (Free) (26 achievements)
War Of Wizards (Free) ( achievements)
Wind-up Knight (Free) ( achievements)
World of Goo ($4.99 $0.99) (22 achievements)
Unblock 2 Escape (Free) ( achievements)
Zookeeper Battle (Free) (achievements)