Costcodle answer for February 21, 2025
Puzzle #521. I read this row from the official games list. The date is the UTC calendar day sampled at noon; your live game may show another number in your time zone.
The shelf price
The item is Red Bull Energy Drink, 24 X 8.4 fl oz. The price stored for this puzzle is $31.99. A winning guess is any amount from $30.40 through $33.58, because the game accepts a guess within 5 percent. The yellow band, within 25 percent but not yet a win, runs from $24.00 to $39.98.
How I would have opened it
If I had started this day at $19.19, that guess would sit about 40.0 percent under $31.99. Anything beyond 25 percent away is a red tile. I would then jump toward the middle of the remaining range instead of nudging by a dime. Once a guess lands inside the yellow band I only test the center of $30.40 to $33.58.
Neighbors
- Previous: #520 Rao’s Marinara Sauce, 2 x 28 oz on 2025-02-20
- Next: #522 Hershey’s Almond Joy, 36 x 1.61 oz on 2025-02-22
- This month: 2025-02
Source: games.json in KermWasTaken/costcodle, key game-521. Win math follows percentAway in scripts/main.js. Checked 2026-09-30.