Brain Arena💎--
Global Cognitive Sport

Memory
Lock

A concentration-style time attack shaped by 2-second flashes and miss penalties.

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View Stages
Memory Lock 2-second flash memory game screen

Overview

Memory Lock is a concentration-style memory card game where uncleared cards flash for just 2 seconds. Wrong pairs add time instead of ending the run, and each extra flash also adds a penalty. Decide when to trust memory and when to reveal again for the fastest clear.

How to play

01

Goal

Match identical numbers to clear all pairs.

1
+
1
Orientation does not matter
02

Flash

Uncleared cards flash for 2 seconds.

FLASH
Extra flashes add penalties
03

Rotation noise

Some cards are rotated 180 degrees.

2
⇄
2
Rotation does not affect matching

Difficulty

99 stages total. Every 11 stages, the level increases.

LevelStagesPairsCardsMust rotate
11–11480
212–225100
323–336121
434–447142
545–558162
656–669183
767–7710204
878–8811225
989–9912246

Abilities you'll build

Processing speed

You must decide and tap quickly right after a flash, training processing speed.

Working memory

You need to retain brief card positions between flashes, strengthening working memory.

Reasoning

Using the card numbers and positions you remember to find matching pairs trains reasoning.

Self-control

Choosing when to use a flash (or wait) trains decision control.

Ability Balance

SPEED
10%
MEMORY
45%
LOGIC
30%
CONTROL
15%

BREAK YOUR LIMIT.

ENTER ARENA

© Brain Arena • Sunny Pop Playground Project

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Related Guides & Topics

Read these next to connect the full picture of cognitive measurement and training.

Memory Test GuideCompare short memory tasks and choose where to start.Brain Training ExplainedWhat training changes, and how to make it meaningful.Cognitive Ability TestMeasure processing speed, working memory, attention, and control.Cognitive SportsA fair, nonverbal way to compete with your brain.
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