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Active Neurons 2 achievements progress.
Good job! Completed all tasks!
Platinum
Common
59.5%
2 Guides
To invent a wheel
Silver
Common
95.3%
3 Guides
To invent the principle of the alphabet
Gold
Common
90.0%
2 Guides
To invent the Windmill
Gold
Common
83.8%
2 Guides
To invent the Gunpowder
Gold
Common
77.6%
1 Guide
To invent a Printed Books
Gold
Common
73.8%
1 Guide
To invent the Compass
Gold
Common
71.1%
1 Guide
To invent the Steam Engine
Gold
Common
68.0%
1 Guide
To invent an Electric Light
Gold
Common
66.1%
1 Guide
To invent a Wireless Communication
Gold
Common
64.2%
1 Guide
To invent a Penicillin
Gold
Common
61.5%
1 Guide
To invent the First Transistor
Gold
Common
60.1%
1 Guide
To invent the Global Internet
Gold
Common
59.7%
1 Guide
