Operation 99
Free GameAbout Operation 99
Sharpen your mental math skills with Operation 99! Choose an operation - either addition or subtraction - and test your speed on solving each problem. Tap the number tiles to add or subtract their values respectively. You have 10 seconds to solve each problem correctly.The problems are endless, how many can you get correct?
Can you last 99 seconds?!
...Math was never this fun...
Can you last 99 seconds?!
...Math was never this fun...
All Application Badges
Free
downl.
downl.
Android
2.2+
2.2+
Bug
buster
buster
Android game
Game History & Updates
What's Changed
Fixed issues with Reset function.
Fixed issues with 10 pt. bonus.
(Users get a 10 pt. bonus if they win and get all problems correct.)
Adjusted positioning of text elements.
Fixed issues with Reset function.
Fixed issues with 10 pt. bonus.
(Users get a 10 pt. bonus if they win and get all problems correct.)
Adjusted positioning of text elements.
More downloads Operation 99 reached 100 - 500 downloads
What are users saying about Operation 99
F
by F####:
by F####:
This game has a very simple yet challenging concept. I like it overall so I give it 5/5.
Z
by Z####:
by Z####:
A good app for learning basic math. Makes you understand basic operations.
F
by F####:
by F####:
This game has a very simple yet challenging concept. I like it overall so I give it 5/5.
R
by R####:
by R####:
Very good implementation to stay motivated, trains the brain.
V
by V####:
by V####:
Great educational game!
U
by U####:
by U####:
Great app for math lovers. Enjoyed this game. More informative and educational. Like it !
U
by U####:
by U####:
Good game, make people love math more. Or hate it more :D
U
by U####:
by U####:
Good app for math lovers. Like it!!
P
by P####:
by P####:
A good app for learning basic math. Makes you understand basic operations.
Y
by Y####:
by Y####:
I am glad that i found it. Must have in your phone! Download it!
J
by J####:
by J####:
Very good game to develop math skills while entertaining. It plays well and fast.
B
by B####:
by B####:
Very cool app , i love this app math features.
K
by K####:
by K####:
Im not good at math, but really enjoyed the game. Will surely recommend this to my friends.
K
by K####:
by K####:
Its good concept with an amazing graphics n great idea love to use it
Y
by Y####:
by Y####:
A great math skills game. How quick witted are you? Plays well on Galaxy Note 3.
Y
by Y####:
by Y####:
It is a great app to sharpen your mathematical skills. I really enjoy playing with numbers.
Y
by Y####:
by Y####:
Nice game for all ages. Recommended
Y
by Y####:
by Y####:
the game has no sense its not fun and its confusing
U
by U####:
by U####:
Nice game but visual art can be improved a bit. Keep your good work , dev.
Y
by Y####:
by Y####:
You will like if you're into math games!
Y
by Y####:
by Y####:
Makes math super fun and interesting!
B
by B####:
by B####:
Pretty cool app, keeps ya sharp
Y
by Y####:
by Y####:
Pointless
by Y####:
A very clever game! It's kept challenging with a very short timer. Would highly recommend to sharpen math skills.