NEANDERTOOL
Zen
☰
Zen
Challenge
Sandbox
Leaderboard
Top Constructors
Rank
Name
Score
Date
CHALLENGE MODE
Build a filter satisfying the target constraints.
Keep your stage count low and work fast!
Choose your mode:
LET'S GO!
LEVEL PASSED!
Next stage starting in...
3
SIMULATION FAILED
Final Score: 0
Checking leaderboard...
NEW RECORD DETECTED!
SAVE
RESTART
SEE BEST SOLUTION
ZEN PATH COMPLETE
🪨
Congratulations!
You have achieved perfect filter harmony and completed all 15 Zen levels.
As a reward, you receive this piece of coal. It's not much, but it's yours.
ACCEPT COAL