@zapmore: are you sure you're only using allowed plugins/behaviors ?
They are listed in "upload your game" page:
[quote]Supported Plugins and Behaviors
Plugins: Arr, Audio, Button, Keyboard, Mouse, Sprite, Text, TextBox, TiledBg, Touch, Browser, AJAX, Particles
Behaviors: EightDir, Anchor, bound, Bullet, Car, custom, destroy, Fade, Flash, jumpthru, Physics, Pin, Platform, Rotate, scrollto, Sin, Solid, Wrap, DragnDrop[/quote]
New to Construct ? Where to start Please attach a capx to any help request or bug report !