Train Your Brain,
Test Your Speed

The Ultimate Reflex & Cognitive Challenge

Master 45 unique levels, each with its own rule. Stack or snap cards as fast as you can, climb the leaderboards, and prove your cognitive intelligence with our MQI scoring system.

45

Unique Levels

45

Leaderboards

8

Cognitive Quotients

Ways to Improve

Why Stack or Snap?

Speed is Everything

Every millisecond counts. React fast, decide faster, and dominate the leaderboards with your lightning-quick reflexes.

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MQI Intelligence

Track your Mental Quotient Intelligence across 8 cognitive dimensions: Pattern Recognition, Processing Speed, Working Memory, and more.

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45 Leaderboards

Each level has its own leaderboard. Become the champion of your favorite levels and earn exclusive badges.

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Unique Rules

Every level brings a new challenge. Master arithmetic sequences, color patterns, spatial reasoning, and more.

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Badge System

Earn Genius, Brilliant, Expert, and Skilled badges based on your performance. Show off your achievements!

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Track Progress

Detailed analytics show your improvement over time. Watch your MQI score grow as you master each level.

How to Play

1

Learn the Rule

Each level has a unique rule. Read it carefully at the start of the level.

2

Stack or Snap

Swipe up to STACK cards that follow the rule. Swipe down to SNAP cards that don't.

3

Be Fast

Speed is your goal! The faster you complete the level, the higher your rank.

4

Climb Leaderboards

Compete globally and aim to become the level champion!

Game Screenshots

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Gameplay

Fast-paced card action with intuitive swipe controls

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Leaderboards

Compete with players worldwide for the top spot

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MQI Dashboard

Track your cognitive intelligence across 8 quotients

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Level Select

45 unique challenges waiting to be conquered