From Brotato Wiki
Last Update: Patch 0.6.0.7
Weapons
Weapons are primary damage dealers. They can be Melee or Ranged.
Most Characters can hold up to 6 weapons. Some exceptions are One Armed, who can only hold 1, Multitasker, who can hold 12, Bull, who cannot use weapons.
Rarity
Tier 1(aka Common)
Tier 2(aka Uncommon)
Tier 3(aka Rare)
Tier 4(aka Legendary)