Can I beat Terraria with only Minecarts?

Normally you'd use weapons to defeat enemies and bosses, but what if you used Minecarts instead?
This video covers the Pre-Hardmode segment of the Minecarts only challenge.
The Hardmode segment is available here:    • Can I finish Terraria with only Minec...  
The unedited boss fights will be posted to this video on my second channel:    • "Terraria Minecarts Only Part 1" Uned...  

== Chapters ==
0:00 - Introduction
0:27 - Act 1: The Start
2:22 - Act 2: World Rail Expedition
4:45 - Act 3: The Worm and the Eye
6:42 - Act 4: Glob, Gel, and Bone
9:18 - Act 5: Pre-Wall Scramble
10:53 - Act 6: Wall of Flesh

== Socials ==
Twitter:   / kelpkepples  
Discord:   / discord  
2nd Channel: @keppos

== Music ==
Pirate Invasion - Terraria
Grasswalk - Plants VS Zombies
She Came From Outer Space - A Hat in Time
Battle - Neksdor - Miitopia
Frozen and Flame - Kirby Star Allies
Underground Hallow - Terraria Otherworld
Unholy Ambush - Terraria Calamity

too many cuts