Sum towers
Stack numbers into a mountain where every block is the sum of the two below it.
What SumFury is for
Making math feel like a puzzle you want to solve.
Sums, fractions, times tables and number puzzles click when you get to play with them. SumFury turns math practice into short, bright games with a clear goal and a satisfying “got it!” at the end. Everyone can jump in, from little learners counting their first tens to grown-ups who love a good brain-bender.
Play first
Every round is a real game with a goal, never a worksheet in disguise.
Every answer checked
Puzzles are worked out by code and then checked a second time, so the right answer is always right.
Friendly for every age
Gentle levels for young players and classrooms, with tougher tiers whenever you want a challenge.
What's on the way
Six kinds of number fun
Every game is an original SumFury game, built for quick rounds, with fresh puzzles every day. Here is a peek at what you will be playing with.
Number line landings
Land on just the right spot for fractions, decimals and percents. Close counts, spot-on wins.
Balancing acts
Keep things level to find the mystery number. A friendly first step into algebra.
Mental math sprints
Quick-fire sums that speed up when you are on a roll and ease off when you need a breather.
Tens and ones
Count, group and trade colorful beads to see how place value really works.
Number codes
Crack number codes using clues, patterns and a little patience. Great for puzzle lovers.
How a round works
Quick to start, hard to put down
Pick your level
Start small or go big. Games grow with you, from first sums to real head-scratchers.
Play a short round
Rounds are short and snappy: perfect for a break, a class warm-up or the ride home.
Share, no spoilers
Show friends how you did without giving the answer away, so everyone gets a fair try.
Who it's for
For families, classrooms and puzzle fans
Whether you are counting to ten or chasing a perfect score, there is a round that fits. Easy to pick up, satisfying to master.
Families
Play side by side at the kitchen table or pass the phone around on a road trip.
- Gentle levels for youngest players
- Short rounds for any spare minute
- The same daily puzzle for the whole family
Classrooms
Quick warm-ups for the whole class on the projector, or calm practice at each desk.
- A calmer classroom setting in every game
- No student accounts needed
- Clear, kind feedback on every answer
Puzzle fans
Think you are quick with numbers? Test yourself over a coffee break with a fresh daily challenge.
- Tough top tiers that really stretch you
- A new daily puzzle to come back to
- Streaks worth bragging about
Numbers are about to get playful.
SumFury is being built right now. The first games will arrive right here.
Coming soon
No sign-ups
No ads
Nothing to install