Bosses
The first boss traditionally fought in Terraria
Eye of Cthulhu
Purified land with green grass
Grasslands
No Hobo
Make a house
Basic night foe
First NPC in the "Don't dig up" seed
Tax collector
The easiest boss to beat in Terraria
Eater of Worlds
The underworld
Hell
I am loot
Red guy that flies through the air
Demon
The best weapon
Zenith
(DAILY DOUBLE)
Secret boss in the "Everything" seed, summoned using Ocram's Razor
Mechdusa
The Corruption
Supreme helper minion
These guys can fly through walls and are just a ball, only can be seen during a solar eclipse
Deadly Sphere
The worst NPC
The Angler
Crossover boss that only occurs when clock strikes 12 and there's a blizzard
Deerclops
The "Happy" biome that is still a bad biome to be in, the only biome where you can summon the Queen slime
The Hollow
Begone, Evil!
Destroy a demon alter
Unpurified Tax Collector
Tortured Soul
The strongest summoning weapon
Terraprisma
The hardest boss in the game
Empress of light
These biomes have the best OST in the game, they also have an "Oasis" in them if you are lucky
The Desert
Dead men tell no tales
Open a trapped chest
I hate these things
Dungeon skeletons
The only NPC in the game that likes being crowded
The princess