> I have a player with the physics behavior and i have a platform with the solid behavior
>
> construct.net/en Physics behavior
> .. Physics won't respond to objects with the Solid or Jumpthru behaviors. These behaviors are totally redundant when using Physics and have no effect. Instead, use the Immovable property...
>
so..you nedd to add Physics behavior to platform also...and set to Immovable...
Didn't read the manual, thank you!