diff --git a/src/lib/balatro.test.ts b/src/lib/balatro.test.ts
index 8df5254..576d176 100644
--- a/src/lib/balatro.test.ts
+++ b/src/lib/balatro.test.ts
@@ -31,6 +31,7 @@ import case025 from './test-files/025.js'
 import case026 from './test-files/026.js'
 import case027 from './test-files/027.js'
 import case028 from './test-files/028.js'
+import case029 from './test-files/029.js'
 
 export type TestCase = {
 	message: string
@@ -70,6 +71,7 @@ describe('calculateScore', () => {
 		case026('Pair, The Pillar'),
 		case027('Lucky Pair'),
 		case028('Lucky Flush, Bloodstone'),
+		case029('Lucky Flush, Bloodstone, 4x Oops! All 6s'),
 	])('$message', ({ initialState, expected }) => {
 		const score = calculateScore(getState(initialState))
 
diff --git a/src/lib/balatro.ts b/src/lib/balatro.ts
index 3dabcf7..8a8abca 100644
--- a/src/lib/balatro.ts
+++ b/src/lib/balatro.ts
@@ -92,8 +92,18 @@ function getScore (state: State, luck: Luck): Score {
 					break
 				}
 				case 'lucky': {
-					const hasOops = state.jokerSet.has('Oops! All 6s')
-					score.multiplier += luck === 'all' ? 20 : luck === 'none' ? 0 : (hasOops ? 8 : 4)
+					const denominator = 5
+					const oopses = state.jokers.filter(({ name }) => name === 'Oops! All 6s')
+					const minimumNumerator = Math.max(0, Math.min(oopses.length + 1, denominator))
+
+					let numerator = minimumNumerator
+					if (luck === 'all') {
+						numerator = denominator
+					} else if (luck === 'none' && minimumNumerator < denominator) {
+						numerator = 0
+					}
+
+					score.multiplier += 20 * numerator/denominator
 					log(score, '(+Mult from lucky enhancement)')
 					break
 				}
diff --git a/src/lib/data.ts b/src/lib/data.ts
index 8b31fe4..649b56f 100644
--- a/src/lib/data.ts
+++ b/src/lib/data.ts
@@ -715,8 +715,18 @@ export const JOKER_DEFINITIONS: Record<JokerName, JokerDefinition> = {
 		rarity: 'uncommon',
 		playedCardEffect ({ score, card, state, luck }) {
 			if (isSuit(card, 'Hearts')) {
-				const hasOops = state.jokerSet.has('Oops! All 6s')
-				score.multiplier *= luck === 'all' ? 2 : luck === 'none' ? 1 : 1 + (hasOops ? 2 : 1)/3
+				const denominator = 3
+				const oopses = state.jokers.filter(({ name }) => name === 'Oops! All 6s')
+				const minimumNumerator = Math.max(1, Math.min(oopses.length + 1, denominator))
+
+				let numerator = minimumNumerator
+				if (luck === 'all') {
+					numerator = denominator
+				} else if (luck === 'none' && minimumNumerator < denominator) {
+					numerator = 0
+				}
+
+				score.multiplier *= 1 + numerator/denominator
 			}
 		},
 	},
diff --git a/src/lib/test-files/029.ts b/src/lib/test-files/029.ts
new file mode 100644
index 0000000..9c5e6b1
--- /dev/null
+++ b/src/lib/test-files/029.ts
@@ -0,0 +1,43 @@
+import type { TestCase } from '#lib/balatro.test.js'
+
+export default (message: string): TestCase => {
+	return {
+		message,
+		initialState: {
+			hands: 1,
+			playedCards: [
+				{ rank: 'King', suit: 'Hearts', enhancement: 'lucky' },
+				{ rank: 'King', suit: 'Hearts', enhancement: 'lucky' },
+				{ rank: 'Jack', suit: 'Hearts', enhancement: 'lucky' },
+				{ rank: 'Ace', suit: 'Hearts', enhancement: 'lucky' },
+				{ rank: '6', suit: 'Hearts', enhancement: 'lucky' },
+			],
+			jokers: [
+				{ name: 'Sock and Buskin' },
+				{ name: 'Dusk' },
+				{ name: 'Lusty Joker' },
+				{ name: 'Blueprint' },
+				{ name: 'Bloodstone' },
+				{ name: 'Oops! All 6s' },
+				{ name: 'Oops! All 6s' },
+				{ name: 'Oops! All 6s' },
+				{ name: 'Oops! All 6s' },
+			],
+		},
+		expected: {
+			hand: 'Flush',
+			scoringCards: [
+				{ rank: 'King', suit: 'Hearts', enhancement: 'lucky' },
+				{ rank: 'King', suit: 'Hearts', enhancement: 'lucky' },
+				{ rank: 'Jack', suit: 'Hearts', enhancement: 'lucky' },
+				{ rank: 'Ace', suit: 'Hearts', enhancement: 'lucky' },
+				{ rank: '6', suit: 'Hearts', enhancement: 'lucky' },
+			],
+			scores: [
+				{ score: 384131132448, formattedScore: '384,131,132,448', luck: 'none' },
+				{ score: 384131132448, formattedScore: '384,131,132,448', luck: 'average' },
+				{ score: 384131132448, formattedScore: '384,131,132,448', luck: 'all' },
+			],
+		},
+	}
+}