Peak is a co-op mountain-climbing adventure game that emphasizes teamwork and strategy. Players must collaborate closely to avoid being penalized, such as being thrown off the mountain by a monster for straying too far from the group. The game begins at a crash site with limited supplies, requiring teams to make quick strategic decisions regarding resource allocation based on individual skills. It features a resource management system centered around a single stamina bar that depletes with poor choices, enhancing focused gameplay. The intuitive controls and engaging mechanics make navigating the terrain rewarding, while the game's design fosters camaraderie and playful interactions among players.