Learn how to create and share levels for Box Kid Adventures using the built-in level editor. This overview will show you all the features that Constructor has to offer: Steamcommunity.com
You can also check the video tutorial:
Here are achievement guides for the first 4 levels of Box Kid Adventures.
Level 1-1 walkthrough | Achievement - "SPRINT" | Box Kid Adventures - Indie DB
Level 1-2 walkthrough | Achievement - "PACIFIST" | Box Kid Adventures - Indie DB
Level 1-3 walkthrough | Achievement - "LIFESAVER" | Box Kid Adventures - Indie DB
Level 1-4 walkthrough | Achievement - "DETONATOR" | Box Kid Adventures - Indie DB
New screenshots:
Cheers!