differences with the final version

The big difference is the music, it uses a different soundtrack.

See soundtrack differences below:

Grasswalk in Bloom and Doom:

Grasswalk in final version:

Grasswalk Horde in Bloom and Doom:

Grasswalk Horde in final version

Another big difference you will immediately notice, the victory animation is different

Picture of victory animation in Bloom and doom:

Picture of victory animation in final version:

Watch full playthrough of world 1 by clicking image below