Tested formulas · visible assumptions
Tools
Lightweight calculators and planners with static explanations and tested logic.
AFK Offline Income Calculator
Project Build a Base and Steal offline cash up to the 24-hour free cap or 72-hour Premium cap, with the 10/20/30 diminishing-returns bands.
Rebirth ROI Calculator
Decide when to Rebirth in Build a Base and Steal. Compare NPV across standard, alt-account, and private-server play, with a 3-tier projection and a what-to-keep roster.
FAQ
Are the calculations accurate?
Every tool shows its formula and a last-verified date. Inputs run in your browser; nothing is sent to a server.
Does this work on mobile?
Yes. Tools are client-rendered and the layout collapses to a single column under 760px.