horse friend “evolutions”
Newly hatched - A normal horse. Poops a lot.
After 999 days (if you have petted it at least once) - Your horse gets a nice medal for being so good at not dying.
After 999 days (if you have not petted it at all) - Your horse becomes a Zombie and cannot evolve further.
After obtaining a medal AND being petted 10,000 times - Your horse becomes a Unicorn!
After obtaining a medal AND being petted at least once but no more than 10 times per in-game day, for 50 in-game days straight - Your horse becomes a Pegasus!
After meeting the conditions for both Unicorn and Pegasus evolutions - Your horse becomes an Alicorn! Not known to evolve any further.
After obtaining a medal and then reaching 1,999 days without evolving to a Pegasus, Unicorn or Alicorn - Your horse becomes Sleipnir! Not known to evolve any further.