SRB2Kart is a fan-made, open-source kart racing game based on the Sonic Robo Blast 2 (SRB2) engine. It features characters from the Sonic the Hedgehog series and other popular gaming franchises racing in kart-style circuits. SRB2Kart offers multiplayer support, a variety of tracks and game modes, and customization options for karts and characters. It is known for its fast-paced gameplay, colorful graphics, and community-driven updates and content.