Edition No. 48 · GlobalEst. 2026
PLANET EARTH NEWS
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Back to home Past puzzles

STACK

Build a tower of words — each floor holds every letter of the floor below, plus one new letter.

5 words · 3→7 letters

Past puzzle — Tuesday, September 15, 2026. Streaks and XP are only earned on today's puzzle. Play today's →

Easy
0 days
0:00

(7) Tastes flavors

(6) Office supply fastener

(5) No longer fresh

(4) Blue-green shade

(3) Drink made by steeping leaves

How to play STACK

  • • Tap a letter tile, then tap a cell to place it — or just type on your keyboard.
  • • Build the tower from the bottom up: a 3-letter word at the base, growing one letter per floor to a 7-letter word at the top.
  • • Each word must contain every letter of the word below it, plus exactly one new letter. Letters can be rearranged freely.
  • • Use only the 7 letters shown above — across the whole tower.
  • • When a floor is valid, its letters carry up to the next floor automatically; just add the new letter and rearrange to match the clue.
  • • Green = valid containment · Red = a letter is missing or wrong · Solve today's tower to grow your streak and earn XP.

STACK is an original game created by and © Franklin A. Malpass for Planet Earth News Network.