Mertha Joy is a rare researcher unlocked at Rank 18. She increases the production output of all Placebo industries.

This character is based on Mother Teresa and Nurse Joy from Pokémon.

Mertha Joy Boost Science Cost Cards Required
Level 1 X2 free 1
Level 2 X4 100 2
Level 3 X8 200 5
Level 4 X16 400 10
Level 5 X32 1,000 20
Level 6 X64 2,000 50
Level 7 X128 4,000 100
Level 8 X256 8,000 200
Level 9 X512 20,000 400
Level 10 X1.024 50,000 800
Level 11 X2,048 100,000 1,000
Community content is available under CC-BY-SA unless otherwise noted.