Ultimo Disco’s upcoming co-op party game Sheepherds! is giving players more time to join the fun—its August playtest has been extended until August 25th. The extension follows the game’s recent appearances in the Wholesome Games Celebration and Tiny Teams showcases, and it arrives with some fresh content, including two new maps and a brand-new feature called Transhumance. If you love the teamwork-driven antics of Overcooked or PlateUp! but want something lighter and more relaxed, Sheepherds! is right up your alley. This cozy, family-friendly co-op has you take on the role of a mischievous sheepdog, herding flocks of sheep while collecting…