PC - Terraria won't start [Steam]

Terraria beginner's guide

Terraria won't open. [Steam version]

Guide:Setting up Steam Multiplayer - Terraria Wiki

Terraria on Steam

PC - Overlay won't work, join via steam button does nothing, Terraria crashes on close.

Terraria's Steam success is the fruit of unmatched long-term support

Terraria update 1.4.5 on pause as devs take month-long break

Terraria devs still had 'unfinished business' that inspired latest update

Re-Logic Launches the Terraria Steam Workshop Update - KeenGamer

Tmodloader won't load : r/Terraria