Searching for a "free download" for typically leads to unofficial sites that may carry security risks. The official version of Terraria is a paid game, currently available for $9.99 on most major platforms. Official Purchase Options
: The Void Bag now functions as a second inventory that can automatically pick up items, which is highly useful when sharing loot in a co-op world.
The 1.4.4 "Labor of Love" update introduced significant quality-of-life improvements specifically for co-op and multiplayer play:
For a safe and legal way to play co-op with friends, you can find the game on these official storefronts:
: You can now find and collect 8 unique Town Slimes to populate your co-op base.