Lastest UnityPlayer.dll WinXP compatible is the v2017.2.0.56737 :(
Anyway i noticed that all new games compiled without adding UnityPlayer.dll works on WinXP.
A downloadable game for Windows, macOS, and Linux
Demo Download is at the bottom of the page.
Inspired by Mario Kart, Rocket league, and Sonic All Star racing, the aim of FlashDrive is to deliver a kart-racer feel with power-ups, drift, and boost while letting the player choose and customize their vehicle.
Checkout the Kickstarter-