23 replies to this topic

[Terrified Virus]

You could use some software, however, it could cost thousands of dollars. I recommend a trial that uses only 1 of 10 levels, for example.

[Jobo]

What you need is to use a website to make sure the trial dies. Then when it does, they can't play it anymore no matter what. Not even if they download a new trial executable (store their IP on a database for example).

And to kill all those thinking about the "they have no internet!"-issues, they do. If they didn't have internet, how would they be able to download the game in the first place?
"But their internet is too bad!"
Have the trial version attempt to call the database once every new day it's opened to see if it's expired. Make a screen that checks, and if it verifies that it can be played, move on to the game.
If the person does not have internet at the time it's launched, you should have Game Maker create a back-up log file that displays the date and time first launched, then check that file.

"Why check the text file last?"
Because that can easily be manipulated. So to prevent that, we check the log file only if internet connection failed.

Or, if you're way out there, you can create a C# database and store stuff in that instead. But I wouldn't recommend that. At all.

Edited by Jobo, 18 August 2011 - 08:27 PM.

[flame boyyyy]

and if they have a computter without the internet? then they would be able to use it forever...not smart

And replying to a topic that dies many months ago is smart?

Anyway, it's using the system time as a fallback. If they wanted to use it forever, they would need to continuously change their system time. It would be so time consuming, you'd be better off just buying it.

stop being a butthole

[KevinBlazeCoolerz]

i'm made the time trial using Game Maker, and if you want it, I can help you...
PM me if you want the example of *.gmk + extension (I dont upload it yet)

I made it 100% using Game Maker, and it's not using *.dll