The faster you combine the time (alarm clock) tiles the more extra playing time you get. You can also stop (freeze tile) or slow down (hourglass tile) the alarm clock.
Source
https://www.mahjong.com/game/Time+Mahjong
Time Mahjong screenshots
Time Mahjong
| Rating: | [0 / 5 - 0 Votes] |
| Tags: | Mahjong , Simulation |
| Publishers: | gamesonly.net |
| Language: | English |
| Play Mode: | Single Player |
| Library: | Flash Games |