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LEVEL

 
 
 
High Score:1000
Score:0

INSTRUCTIONS

Click the symbol when it matches a previous one. How far previous depends on the level.

You'll earn more points for playing at a higher level, so don't spend all of your time on Level 1!

Try not to miss any matches to rack up bonus points for streaks!

ABOUT

Duck, Duck, Dog by Aaron McBride.

Based on the N-back task.

Images used with permission:

"Butterfly", "Crow", and "Fish" from The Noun Project collection.
"Dog", and "Duck" are public domain and also found at The Noun Project.