Can i publish a game on steam?

So, ive been into creating a game a lot in the past year, and i have tested unity and ue4. Im currentlly working on eu4 because i know that i can publish a game on steam, even though i dont plan to sell it (free to play). I really want to publish a game on steam and core looks amazing to develop games. Please tell me that i can publish a game on steam :sweat::sweat::sweat:

No - Core is its own platform for publishing games. Anything created on Core can only be published on Core and no other parties.