Boss Battle Sums

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Boss Battle Sums

Defeat the dragon boss one quick sum at a time. Battle a grumpy dragon boss with quick mental math starring pixel Willyrex. Solve sums before each countdown runs out, build a combo and empty the boss health bar in this free math game.

Twist: Every 6th question is a BOSS question with three numbers, like 6 × 4 + 7, worth triple points.

Parody. Willyrex has no involvement in making these games and does not endorse them. The character is an original pixel-art caricature.

How to play

Every sixth question the dragon fights back with a BOSS QUESTION X3: three numbers in one sum, like 6 × 4 + 7. Do the times part first, then add.
Boss questions give you twice the usual time and pay three times the points, so take a breath and get them right.
Between bosses, answer normal sums by tapping a button or pressing 1 to 4. Every right answer lands a hit on the dragon's health bar, and fast answers hit harder on the scoreboard.
A run of right answers turns into a combo of up to STREAK X4. A wrong answer, or letting the timer bar empty, ends the battle.
Questions get tougher as the fight goes on, from small sums to times tables and two-digit numbers.
Need a break? P or Esc pauses and M toggles the sound. After the fight, share your damage with a friend.

Top 10 high scores

No scores yet: play a round and be the first on the board!

All-time top 10 scores in Boss Battle Sums
#	Name	Score
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9	---	-
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The story

The final room of the adventure is here, and so is the boss: a big, grumpy dragon who has guarded the treasure for a thousand years and is not about to share it. Pixel Willyrex has no sword left, no potions and no lives to spare, just a sharp mind and a cheering chat. Tonight's fight has a name: Boss Battle Sums.

Every correct answer lands a hit and knocks down the dragon's health bar, every streak turns into a powerful combo and a single wrong answer gives the dragon its chance. Empty the health bar and the dragon hands over the treasure with a sulky puff of smoke. Run out of time, and it is back to the last checkpoint.