1. Select a creature and level. (Note: Level is only for your reference and does not impact speed of maturation)
2. Enter your baby's current progress.
   • For eggs/pregnancy: Enter the incubation/gestation percentage in the first progress bar.
   • For babies that have already been hatched/born: enter the maturation percentage in the second progress bar.
3. Start the timer using the play button.

Tips:

• Use the Breeding Schedule to plan out your breeding schedule.
• The "Skip" button advances to the next phase, while "Reset" returns to the start.
• You can delete all timers at once using the "..." menu when expanded.
• An alarm will sound when the timer completes (and your baby is fully grown) and — by default — 5 minutes before completion. You can adjust the alarm time for each baby.
• Use the "pause all" and "resume all" buttons to pause your timers. This can be useful when you're playing single player ARK and exit the game.
• You can also enter a custom name for your baby creature by clicking the "edit" button next to its name.
• Your babies are saved in your browser's storage, so they will be here the next time you visit — even if you close your browser.

• Egg Hatch Speed is the speed of the incubation/gestation phase. Setting this to 2x means it will hatch/birth twice as fast.
• Baby Mature Speed is the speed of the maturation phase. Setting this to 2x means it will mature twice as fast.
• See Dododex's guide of common multipliers for various servers and single player settings.
• Current official server rates

1. Find two creatures of the same species with good stats that you want to combine.
2. Enable mating by setting both creatures to "Enable Wandering" or place them in a mating pen.
3. For egg-laying creatures: Wait for and collect the fertilized egg, then incubate it at the proper temperature.
4. For mammals: The female will become pregnant and eventually give birth.
5. Care for the baby by hand feeding it until it reaches juvenile stage.
6. Continue feeding until fully grown — the creature can then eat from troughs.
7. Check the baby's stats for mutations.