FIFTY

FIF

One swipe.

Android, iPhone and iPad.
Free, with ads.

Cut every shape exactly in half.

No account.
No in-app purchases.

FIFTY

Swipe
once.

  1. 1A shape appears.
  2. 2Swipe once, in a straight line, through it.
  3. 3It splits in two. Each half shows its share of the area.

Your turn. Swipe across the seam.

Aim for

50.0/50.0

Error
0.0
Points
0
Streak
0

The dashed line is the exact half at your angle. It exists at every angle. The game finds it by binary search.

Error is 50 minus the smaller side. Keep it inside the round's tolerance, or lose a heart.

The cut

Grades

PERFECTwithin 0.5 of 50/50
GREATwithin 1.5
GOODwithin the round's tolerance
MISSoutside it

The seam is 50.0. Bars show how far a cut may land from it. A 49.6 / 50.4 cut is off by 0.4.

Points

+50 bonus. Streak grows.
Streak grows.
Streak ends.
Lose a heart.

10 to 100 points by accuracy, plus 50 for a PERFECT. A streak of GREAT or better multiplies them.

x2from 3
x3from 6
x4from 10
x3gold round

From round 3, about 1 round in 12 is gold. Tolerance shrinks every round. In Butter and Daily, 5 PERFECT cuts in a row heal one heart.

Scoring

Butter

Chill and endless.

Where everyone starts. Each round gets a little tighter, for as long as your hearts last.

Hearts
3
  • StartRound 1 is a tutorial square.
  • HealEvery 5 PERFECT cuts in a row heal one heart.
  • TwistsUnlock by round, then stay.
Spin6Drift10Hollow12Breathe14Twins16Blind25
Tolerance
12to3
Butter

Daily Cut

Same seed for everyone.

One new run each day. Resets at 07:00 UTC. Keep a daily streak and share your grid.

Hearts per try
3
  • Tries3 a day, plus 1 more for watching an ad.
  • HealEvery 5 PERFECT cuts in a row heal one heart.
  • FuseOn every round from 10.
Spin3Drift5Breathe7Fog9Hollow11Twins13Fuse on every round from 10
Tolerance
8to2.5
Daily Cut

Surgeon

Scores x3.

Unlocks when you reach round 20 in Butter. One heart. No guide line, and a fuse on every cut.

Hearts
1
  • AlwaysFuse and Blind on every round.
  • StackTwo twists can stack from round 8.
  • ScoreEvery cut counts x3.
Spin1Fog3Drift5Breathe7Hollow9Twins11Mirror15Two twists stack from 8
Tolerance
9to1.5
Surgeon

Nine twists

  1. 01SPINIt turns while you aim.
  2. 02DRIFTIt slides side to side.
  3. 03BREATHEIt grows and shrinks.
  4. 04HOLLOWHoles don't count.
  5. 05TWINSTwo shapes, one cut.
  6. 06FOGCut it from memory.
  7. 07FUSECut before time runs out.
  8. 08BLINDNo guide line.
  9. 09MIRRORYour swipe is flipped.
SPIN

It turns while you aim.

Butter round 6 ยท Daily 3 ยท Surgeon 1

Twists

Every shape

Simple

Food

Icons

Silhouettes

Hollow

Odd

Letters and digits

Shapes

142

shapes in layers: simple, food, icons, silhouettes, hollow ones with holes, odd ones, and the letters A to Z and digits 0 to 9, drawn from Nunito Black.

Every shape passes a validator: simple rings, no crossings, holes inside, thick enough to cut.

+8

procedural families make new shapes every run. Each one opens at its round.

142 + 8

Daily Cut

#142

Next cut in
00:00:00
Resets at 07:00 UTC
Tries
3 + 1
3 a day, plus 1 for watching an ad

Share

  • PERFECT
  • GREAT
  • GOOD
  • MISS

Two lines, Wordle style. One square per cut, up to 20, then +N. Same shapes for everyone, so grids compare.

Daily

No
account.

Everything saves on your phone. No sign-up, no FIFTY account, no server.

Cloud save

Signed in to Google Play Games on Android or Game Center on iPhone and iPad, your progress is also kept as a cloud save. Switch phones and it merges.

Leaderboards

  1. ButterPlay Games, Game Center
  2. SurgeonPlay Games, Game Center
  3. Daily CutResets daily
  4. Closest Cut50.000

Closest Cut keeps your best single cut.

Progress

Never

  1. during a cut
  2. in your first 90 seconds
  3. before your 3rd run of your first session
  4. right after a new best
  5. within 60 s of a rewarded ad
  6. a banner during play

Only when

  1. between runs, at least 2 runs and 150 seconds apart
  2. a small banner, on menus only
  3. you pick a rewarded ad, always optional
  1. +1heart to revive. Once per run, from round 5.
  2. 30minutes with no ads.
  3. +1Daily Cut try.

Google's consent screen in Europe and the UK. On iOS, the system asks before tracking.

Fair ads

Sound and
haptics

Every cut has its own sound and haptic. Music changes with each mode. Tap a row to hear it.

Settings

  • Sound
  • Music
  • Haptics
  • Reduced motion

60 fps CustomPainter rendering. Halves fly apart with particles. After a miss, a ghost shows the perfect line. These four switches work on this page too.

Feel

How close

First launch, SWIPEPizza slice 49.5 / 50.5Heart 50.3 / 49.7
Perfect cut 50.0 / 50.0

FIFTY by Syntax Lab Technology
fifty.rafay99.com

can you get?

TWINS twistResults, new best 2,535
How close