I also got the same error when trying to preview twice, i also noticed that my FPS was 5. The loops were obviously running over and over so i put them into the start of layout event and it works fine now .

<img src="http://dl.dropbox.com/u/6660860/fixed.png">

Here is the fixed cap: http://dl.dropbox.com/u/6660860/fixed.cap

The first problem was caused by construct not knowing which building to change so it just changed both of them.

The second problem was caused by your TAB presses both getting detected in the same tick causing the variable to not change. (I think that's what the problem was anyway).

One problem i can't seem to fix though is that when you press tab for the first time after launching the preview, it doesn't work but it works fine for all the presses after :S.

And finally, i have no idea what version of construct you made this in but it was older than what i saved it in (v0.99.84). So you might need to download the latest unstable build to see my changes and then just copy them in your real cap .

Awesome, thanks for this, its going to come in handy I'm sure.

Can you please upload this to dropbox (https://www.dropbox.com/) 2shared just never lets me download anything.

What are your system specs?

Also have you updated your video card drivers and DirectX?

Well the game seems quite interesting except whenever i get my auth code and go back to the barrier it just keeps saying that the auth code has expired?

Also what are the controls? It took me a bit to figure out that S was jump .

Have you tried opening them with the latest build? (0.99.84) .

I think the problem is just simply your hotspot not being perfectly centered (unless that was intended?) Just incase you didn't know, you can open the sprite click on hotspot then press 5 on your numpad to center it.

Doing this stopped it from jumping out of the box for me.

EDIT: Actually, nope....... it just escaped out the bottom after a minute or so. Weird.

Ok, works fine on my home pc (was at work on laptop before). As Caspis said, i like how they don't automatically know your position, and they have to see you first, could create some interesting stealth gameplay.

Hmmm, nope still crashes, its most likely a problem on my end...

Does it crash for you if you open it from your attachment?

Are you using any plugins?

Hmm opening this crashes construct for me. v0.99.84

This has annoyed me also.

And wow, i didn't know ctrl+drag worked on events! Thats going to come in handy.