www.abithelp.com

Is like a timer whereby they can set the time once u pay them and start playing the game but once the hr or time is reach, it would prompt or stop by itself so you can't play further and have to pay to reset or add more timing

Cas I did a search on the net and found this for free can't say if its any good might be worth a look http://www.handycafe.com/en/index.php

Monitoring and Managing Clients using HandyCafe Server

•HandyCafe Server can handle unlimited clients according to your computer or your network
•Enable firewall for computers and set Connection rules, Banned websites, Content filtering
•Set/show banners on IDLE computers
•Show your own webpage during user sessions
•Turn off, reboot, logoff computers (one click)
•Wakeup all computers (WOL: Wake On Lan support)
•Get full control of computers (Remote Management)
•Get screenshots and save them in diffrent formats
•Get running applications list (with original icon) and close them
•Browse computers, get/send files
•Adjust clients volume
•Update HandyCafe Client Software (one click)
•Track your computers status
•Login, Logout, Prepaid Login, Game Login, Prepaid Game Login
•Add/Limit/Pause/Resume Time
•Change Computer (Transfer session)
•Set "Windows, Control Panel, Internet Explorer" Restrictions
•Only selected applications can run
•Send message to computers
•Forward computers to specified websites
•Change clients admin information and server/client communication password
•Reboot computers on payment
•Terminate all running applications on payment
•Enable/Disable ordering from computers
•Track information how much bytes received/sent
•Add orders to customers sessions
•Create Prepaid/Play & Pay timers
•Add orders to Timer Events
•Active application tracking

Thanks would take a look at it