Match up all the hidden image as efficiently as possible. Click on a puzzle square to uncover the image under it. Click on another piece to uncover a second image. If the uncovered images match, the two pieces will be removed from the memory match grid. Restart will begin a new game.
Test your memory ability in this matching game of concentration. features: The game contains a numbers of pictures to test one's logical judgement ability.
Animated Background, 3D music sound let you cannot help playing.
The stages including: Chinesezodiac,Horoscope, Cute big head dog, Food and Drink, My small fish, Atomizer, The prince of tennies.
Boss key:click space key can stop and minimize the game.

ADA concentration 2.80 was released by BraveWorld Networks Co., Ltd. on Wednesday 15 September 2004. Its known requirements are : 32MB memory, 10MB disk space.
ADA concentration will run on Windows 98, Windows Me, Windows 2000, Windows NT and Windows XP.