Not at all Idle v 3

(I)st upgrade button
(M)ax All

False Idle (v.2)    LWFI (LNGI OTTified)

(This version of 'Pure Idle' has one 'boost' and a 'max all' button to quickly buy as many boosts as you can afford. The score can increase at an exponential rate and the game will tell you when you've reached the maximum possible score.)