how can i help?
bugs, feedback, a puzzle you're sure is broken. i read everything - it's a one-person studio, so you're emailing the developer directly.
support@i reply within 1-2 business days, mon-fri, excluding holidays.
Crossums & Sequences
the figured series. one privacy policy and one set of terms cover both.
Fireflies
a separate, ad-supported game, so it has its own policies.