Thanks so much for participating in last year's jam! Even if the project wasn't finished, I still like to think any time spent being creative is time well spent 🙂
The 3D models will be provided as FBX files, and for the models that have associated animations, they are contained within the FBX.
The texture maps are provided in three layers: albedo (the basic color), metallic (how shiny certain faces are), and normal maps (how bumpy certain faces are). You can use these textures to create a PBR material in your game engine of choice.
As for how to use the animations, that depends on which game engine you're using. Here's an example of how to work with FBX animations in Unity:
Hope to see you again in this year's Imaginary Game Jam!