How to Make T-Shirts in ROBLOX T-Shirts are the easiest clothing to make in ROBLOX. Create an image that’s ideally 512x512 pixels and then upload it to ROBLOX via the Asset Manager in ROBLOX Studio.

How do you make games in Roblox? Firstly you'll need to download and install Roblox Studio, a free piece of software that is used to create all Roblox games.