Stat
% Damage
At 10, the game describes % Damage as: “Your attacks deal 10% more damage” 19 items give it, 21 take it away and level-ups offer it at 4 tiers (Brotato 1.1.15.4).
What the game says at each value
- 1
Your attacks deal 1% more damage
- 5
Your attacks deal 5% more damage
- 10
Your attacks deal 10% more damage
- 20
Your attacks deal 20% more damage
- 50
Your attacks deal 50% more damage
- 100
Your attacks deal 100% more damage
- -5
Your attacks deal 5% less damage
Formula
Damage = (weapon damage + its scaling stats) × (1 + % Damage ÷ 100), rounded, at least 1. Structures use their own % damage.
Source
Ported from the game's scripts (run_data.gd, item_service.gd, utils.gd, weapon_service.gd, player.gd); the texts above are its own descriptions.
Items that give % Damage (19)
Focus+30 · Tier IV · 110 materials
Glass Cannon+25 · Tier III · 75 materials
Triangle of Power+20 · Tier III · 65 materials
Ashes+20 · Tier IV · 100 materials
Ball and Chain+15 · Tier III · 75 materials
Knot+15 · Tier III · 80 materials
Cyclops Worm+12 · Tier II · 45 materials
Spider+12 · Tier IV · 110 materials
Heavy Bullets+10 · Tier IV · 100 materials
Missile+10 · Tier II · 45 materials
Lantern+10 · Tier IV · 100 materials
Bait+8 · Tier II · 25 materials
Injection+7 · Tier I · 20 materials
Head Injury+6 · Tier I · 25 materials
Ritual+6 · Tier II · 60 materials
Gentle Alien+5 · Tier I · 30 materials
Potato+5 · Tier IV · 95 materials
Medal+3 · Tier II · 55 materials
Corrupted Shard+3 · Tier I · 12 materials
Level-up upgrades
Triceps I: +5Triceps II: +8Triceps III: +12Triceps IV: +16