Aug 19, 2018  I tried speed hack in this game 'Haydee' but it won't work. I can access the process, and when I try to do speed hacking, it doesn't give me any error, but nothing happens except the frame per second counter changes like crazy but game shows every thing in normal. I'm noob to any programming or editing memories so any help would be appreciated. Not all games will store game speed as float 1.00000000. If there is a trainer/table available for this particular game, you could try asking the author. Aside from that, you could submit a request in the request sub-forum and ask if someone will try to find it for you, assuming the title can be disclosed. Mar 15, 2016  Not all games will store game speed as float 1.00000000. If there is a trainer/table available for this particular game, you could try asking the author. Aside from that, you could submit a request in the request sub-forum and ask if someone will try to.

1. Cheat Engine comes with a feature called speed hack which basically can slow down or increase speed of the game. Actually, not only games, if there is a software with clock ticking it can speed-en.
2. Hi Cheat Engine/Dark Byte, I used Cheat Engine in Flash Games (Web-Based). It was working fine before Firefox Quantum but now I can't use Speedhack when I try It says ' Failure enabling speedhack.
3. Link: Just don't forget to put a 'tick' mark in 'Plugins' section on forceinjection-i386.dll on the left side, or else it won.

Cheat Engine comes with a feature called speed hack which basically can slow down or increase speed of the game. Actually, not only games, if there is a software with clock ticking it can speed-en up that too. How does that work? I might imagine there is some internal clock on which these things run but not sure how these things happen on low level.

While this feature has worked on most of the games I tried, it has also failed on many, for eg, NFS Most wanted. Why? Is there any different mechanism on which these games run or it is just some anti-cheat?

3 Answers

Cheat Engines Old Speedhack:

Cheat Engine Speed Hack Not Working Pc

• Runs the application in a very high priority thread
• Uses timed sleeping to speed up the game
• When a function is called, it will be given an emulated timer which is sped up

Cheat Engines New Speedhack:

• When the Cheat Engine speed dll is injected into the program, it is modified to the speed you selected in the Cheat Engine panel
• Sets a base reference of the current time
• returned time = basetime+((currenttime-basetime)*speed

Detection:

• Both Methods are easy to detect by sending a packet with the time every couple of seconds to be validated by a server
• The game may be able to detect the dll being injected

Source:http://wiki.cheatengine.org/index.php?title=Cheat_Engine:Internals#Speedhack

Three years later, I think I know enough to answer my own question. :)

A computer program usually communicates with the kernel using predefined functions called system calls. Each OS has a different set of calls but often they do similar things like — allocating memory, reading and writing files, or handling processes. According to this page, there are around 480+ system calls in Windows NT kernel.

For any purpose that deals with the hardware, programs usually resort to system calls because that's what OS does best and one of these things happen to be knowing time. Computer games often need to render 60 frames / second and to make this happen they need to call the rendering function every 16.6ms. On Windows, 'GetTickCount()' is usually used for this which returns number of milliseconds passed since the Windows has been up ('If no of milliseconds passed since the last tick count is more than 16ms, render a new frame else continue.').

SpeedHacking, in general, works by injecting code into the running process and hacking the timing functions to return sped-up / slowed-down 'ticks' to modify the program's running speed.

Although, I can't be sure how exactly CE achieved this (the source code is pretty hard to understand) but another programmer pulled off a similar thing (video) on Linux. In the source code, you can see how the author modified a similar system call for Linux ('gettimeofday()') for this.

I am not sure how it's detected but I would be going with @Harold's idea that the game probably spots the DLL getting injected.

I think the reason why it does not work in some applications (mostly games) is that some games link the in-game clock to the frames per second. Therefore your game will slow down or crash if you try to speedhack it.

Source:http://hackerbot.net/tutorials/353-speed-up-hack-slow-down-cheat

Cheat Engine Speed Hack Not Working On Windows 10

Personally I have only encountered very few games that wouldnt react to the speedhack. Even if they are tied to the FPS, you can still speedhack it to some degree.

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Dll Injection Failed Cheat Engine

commented Mar 4, 2019•

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Cheat Engine Speed Hack Not Working On Chrome

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