Hi robedits , yes your Imagery described exactly what I go through with these type of games, just out of curiousity, what are the Specs. of your PC?

Here are my specs. It's a relatively new Dell desktop PC (purchased end of 2019):
--Running Windows 10 Home 64bit on a Dell Inspiron 5090 desktop PC. Intel Core i7-9700 CUP@ 3.00 GHz [8-Core/8-Thread 12M Cache, 4.7GHz Processor w/ Intel Turbo Boost Technology]. 16 GB memory. NVIDIA GeForce RTX 2060 SUPER 8GB GDDR6 and NVIDIA High Def audio. All completely updated w/ latest drivers and Win 10 updates. Running game at 1920X1080 on standard monitor.

You know me well Tomato Queen

WOW robedits, that is very decent Horse-Power machine you have, you should Not have any trouble playing the Actual game itself, you have Double the RAMs required and you have Triple the Video card requirements to play. So it is more likely the demo that gave your machine trouble, to be on the safe side, check out the GOG forum to see if anyone has trouble with the game matching your specs, Video card, but I still cannot imagine you having any trouble playing this game.... Smoothly.....

Oooh!! Can't wait until I have the time to play and savour this game.

Starcom: thanks for the reply. Yes it's a good rig and honestly, this isnt the ONLY game that makes my pc run LOUDLY, but there aren't many that DO. THe ones that are poorly optimized do, that's for sure. THis game runs very nicely, and looks just fine (the demo, anyway), no jittering or bugs or hiccups...but I cant see myself playing a lenghty,tough-puzzle FULL version of the game while my PC chugs along loudly. Just too much noise and too much to worry about, so I"m passing on it. Still would love to know what all those "postcards" are representing if the areas represented on them AREN'T in the actual full game. TOo bad, the areas look nice enough that I would possibly purchase the full game just to "visit" them!

robedits, I did a lot of reading from both the Steam and GOG forums and they ALL Say the Demo was like an early draft and there were many tweaks needed for better gaming that were missing from the Demo, So I would wait for a good sale and or continue to monitor the feedbacks from these forums, and I am confident that with your machine You will be able to play it without the noises or lags you witnessed in the demo. Also, having THE Latest Video Driver updates is not always the best thing to do, too many people feel that they have to update their drivers to the latest one and many times that is worst then sticking to what you already have "The old saying: If it ain't broke, don't fix it" So you could ask the advice from the experts from this Forum about drivers, etc.
Good luck

PS: If had a powerful machine like yours, I would wait for a really good sale and jump on this game.

Great points, Starcom. I also believe in the "if it ain't broke..." axiom, for most things. IMHO, WIn 10 updates, ALWAYS. But not so for browsers like FIrefox, etc. I was an editor in television for close to 40 years before I retired and every single software update had problems, not to mention hardware updates. Sometimes, the major editorial "machine makers" (Avid, for instance), made major "upgrades" that were often just so they could "beautify" the user interfaces...which they often changed for NO reason other than to justify the younger market/competition ("look at how shiny and new we look now!")...mostly for the younguns who wanted "kewl" looks more than important bells and whistles. But internet protections/upgrades I steadfastly believe in. Just not so much interface changes if not needed. One of the reasons I keep my internet drivers UTD is that SO many of the new games coming out for PC use the latest drivers, and so many programmers and updaters/patchers use the latest drivers, so they sort of force gamers buying new-ish games to be compatible with what THEY tested on or updated FOR. It's a vicious cycle.
I don't care much for shoot em ups or racing games (etc), and I am a keyboard/mouse ONLY person (no controllers, wheels, consoles: blech!), and for the longest time I was an adventure-games ONLY player (still am...mostly), and I've found in the past that the bulk of the adventure games didn't ALWAYS need the highest powered-PCs. Unfortunately, that is absolutely NOT the case any longer, it seems.

I'm finding the second game (Chameleon) to be harder than the first game was and I'm using a walkthrough for a lot of the game.

At last a game I know I am going to have fun with Phew !!Its been a long time coming . Hope my laptop can cope.I am at my daughters in Lanzarote for a month and this is the icing on the cake . Yay

Enjoy the game and your visit maggsie!

I certainly will BrownEyedTigre . Its been nearly a year since I saw her. So celebrations all round .
Regards
Maggsie

Does anybody know, is the prologue just the beginning of the game or is it something additional before the start of the game? The prologue is on Steam. If you play the prologue and then play the game, will it start you where the prologue ended or do you have to replay that portion (if it is the beginning of the game).

This doesn't entirely answer your question, but I did find this in the Steam forum regarding the prologue.

Thanks Marian!