Astride 

Astride: An Early Access Horse Riding Game

Astride, developed by Raidho Games, is a horse-riding game currently in a pre-alpha state and available for early access on Windows. The game offers a realistic horse customization feature that allows you to create your dream horse by selecting various coat colors and patterns. Additionally, the game offers a fully functional multiplayer feature that will enable you to play with friends or join public servers. The game also has a show-jumping prototype that is available for testing.

As an early-access game, Astride is still in development, and you can expect limited features. However, the game's development team welcomes your feedback and suggestions to refine and perfect the game. The key features planned for the game's full release include riding together with friends, horse personalities and traits, breeding and genetics, customization, and quests.

Overall, Astride is a good horse-riding game with exciting features for horse enthusiasts. The game's development team's willingness to collaborate with the community and shape the game's ultimate horse-riding experience is a plus point.