#1 Create & Share Your Level Creations
1. Go To TOY-BOX Menu
2. Start Any Map
3. Save Your Level Creation
4. Click +WORKSHOP To Share Your Level Creation
5. Insert Tittle, Map Design Type, Description, And Then Upload To ATTACK ON TOYS: STEAM® WORKSHOP. Select Update And Select Level If You Want To Update Instead Of Uploading New Workshop.Your Level will be available immediately
People in the community will able to play, and customize your Level Creation, and share their Creation
Highly recommend to credit original map creator if you customize from other people creation
#2 Playing TOY-BOX & Subscribe
1. Subscribe To Download Level2. Click Update Workshop To Automatically Update All Subscribed Level
Subscribed Level will be ready to play after Update Completed
Set Custom Game Mode to "TOY-BOX" if you want to edit this level or Invasion (based on level design)
Source: https://steamcommunity.com/sharedfiles/filedetails/?id=2608677985