I did the multiplication before I went to bed. Income per minute times eight hours, and the number on my screen said I'd wake up rich. I woke up with maybe a third of that. Turns out the formula I used is the one everyone uses, and it's missing a piece nobody has published yet.
The formula that's technically right and practically wrong
Offline earnings in My Dino Park work off a simple idea: your roster keeps earning Cash from visitor tours while you're away, calculated as income per minute times hours away. Each dino has a fixed rate. A T-Rex pulls around 2,500 per minute, a Spinosaurus or Triceratops sits in the 1,200 to 1,400 range, and Commons through Rares run anywhere from 50 to 700. Own two of the same dino and that rate doubles.
Multiply that out for a full night offline and you get a big, satisfying number. The problem is that number is a ceiling, not a forecast, and the game almost certainly doesn't pay it out in full.
The number nobody has confirmed
Here's the part that's actually missing: no patch notes, no dev post, nothing official states what multiplier or time cap gets applied to your offline period. The straight-line formula assumes zero throttling, and that assumption is very likely wrong based on how offline systems work in comparable games. I say "almost certainly throttles" because that's the honest level of confidence available right now. Nobody outside the dev team has the real number.
How to find your actual rate in 15 minutes
Rather than trust a formula that's probably optimistic, run your own test. Check your Cash total, close the game (or let it sit idle) for 10 to 15 minutes, then check again. Subtract the difference and divide by minutes elapsed. That gives you your real offline rate for your current roster, throttle included, no guessing required.
It's a small hassle, but it's the only way to get a number you can actually plan around instead of one that just looks good on paper. I keep the full formula, the per-dino rates, and the test method laid out on the offline earnings calculator page if you want to run it against your own roster instead of redoing the arithmetic by hand.
Worth saying plainly
This isn't a complete answer, and it won't be until someone at the studio confirms the real cap. What we have is verified as of today (2026-07-13), and dino games patch often enough that a rate confirmed this week could shift by next month. If you've already run the 15-minute test and gotten a number that doesn't match what I've described, that's useful data too. Until there's an official number, self-testing beats trusting a formula that was never designed to account for a throttle nobody's seen documented.
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