Base HP20
Gold100
Level1
Wave1/5
Bonus bubble= 0

Settings

Difficulty
EASY
NORMAL
HARD
sets starting gold & base HP
Meadow
DAY
DUSK

MATH TOWER DEFENSE

drain every bubble to zero before it reaches your base
TOPMIDBOT
1 · ROUTE
Steer bubbles through 3 gates. Detours pass more towers.
−1÷2
2 · REDUCE
Place operator towers. Each path cell they cover = a hit.
0
3 · ZERO
Reach the base at 0. Anything left costs 1 HP.

Hit the bonus target (shown up top) for gold and a healed heart. Towers go down between waves. Survive 5 waves to level up.

Keys — gates: QWE / ASD / ZXC · Space start wave · F turbo