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Cifri player
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day streak
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best streak
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Braining
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best brain age
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best time
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total sessions
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Easy
Medium
Hard
0
best streak
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today avg
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personal best
Last 7 days
OPERATIONS
Select at least one operation
+ Add
- Sub
x Mul
/ Div
% Pct
DIGITS PER NUMBER
Number of digits e.g. 8 (single), 35 (double)
Single
Double
Triple
Quad
TERMS PER EQUATION
e.g. x + y (2 terms) or x + y − z (3 terms)
2 terms
3 terms
4 terms
NEGATIVE NUMBERS
Allow negative numbers e.g. −47, −128
DECIMALS (1DP)
Allow decimal places e.g. 18.5, 3.7
PRACTICE MODE
Choose your game mode
DURATION
1 min
EXERCISES
20
No limit. Quit any time to see your results.
3
60
sec
0
pts
Addition
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New personal best
0
weighted score
0 correct · 0 wrong
0%
accuracy
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personal best
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streak
--
today avg
Trick
0
solved
Trick
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0
best streak
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best time
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best age
--
today's age
Last 7 days
Braining mode
50 questions — addition, subtraction, multiplication & division
2 or 3 terms per question · single & double digits · answers can be negative
Wrong answer? Correct it before moving on — timer keeps running
Brain age 20 is the goal — improve it with daily training
50 questions · + − × ÷ · 2–3 terms
3
0:00
elapsed
1 /50
questions
Addition
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New personal best
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brain age
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New Personal Record
Brain age scale
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completion time
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best brain age
--
day streak
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vs. best time

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