How to extract animations from the game
First, you need to download and install Spriter, a free 2D animation program from BrashMonkey. It can be used to access the sprite animations and export them for example. You can find and download the newest versions here.
Second, you need to download Simplex' ktools to be able to convert the game files into Spriter project files. These are found here, but you need to have an user account at the Klei Forums to be allowed to download them. Their readme with more detailed information can be found here.
ktools contains two programs: ktech and krane. ktech can be used to convert bidirectionally between TEX files (without animations) and PNG, but this can also be more easily done using Matt's TEX Tools. So krane is actually what we are looking for. It …