Ciao Gianni and Francesco!
My name's Dmytro, nice to meet you!
I'm a gamer with 30+ years of experience, and despite I'm an Engineer, Graphic and Industrial Designer, the games are one of my passions :)
Please find my short portfolio in my profile (just click on my nickname) and somewhere at the bottom there is a video slot, called 'Video Newsletter'. I can show you the keyframes and scenario on chat. I think this maybe a prototype style you need. Especially, if you have a limited budget.
Also, you can find isometric illustrations in my portfolio, and it's not a problem to animate isometric characters - it depends on the engine, where will you code your game.
Of course, one of the cheapest variants is using sprite systems (2D engines), despite nowadays, 3D rulezzz :)
But to create 3D characters with proper garments, accessories, and other props, having thefacial expressions, etc. are definitely more expensive than 2D animation in games.
Nowadays, the simple games are on top of the charts, and if you have some similarity within the game environment to "Cooking Madness" - please tell me what are the features do you consider as your 'heroes'?
Happy to chat,
Regards,
Dmytro.