Grassland

Lore & Background

In the world of Planet Zoo, the Grassland biome evokes the sweeping savannas where the rhythm of life is dictated by the long grass, the slow drift of clouds, and the distant call of a lion at dusk. The terrain is broad and gently undulating, broken only by the occasional rocky outcrop, a watering hole, or the distinctive umbrella silhouette of an acacia. The palette shifts with the seasons—lush green in the wet months, bleached gold and amber in the dry—giving keepers a living, breathing backdrop that changes with the in-game calendar.

Ecologically, the Grassland is built around the relationship between grazers and the open landscape. Zebras and antelopes need vast, unbroken stretches to graze in safety, while the tall, watchful necks of giraffes browse the upper canopy of the scattered trees. Predators like lions and cheetahs rely on the same openness to stalk their prey, and the massive, gentle presence of elephants shapes the terrain itself, digging waterholes and toppling small trees. Rhinos anchor the ground with their slow, powerful movements. Together these species form a web of interactions that the biome's design is meant to support.

For the player, the Grassland is often the first biome they encounter when designing a zoo, and its simplicity is deceptive. The open spaces demand thoughtful sightlines, barrier placement, and enclosure flow. A well-designed grassland habitat can feel like stepping into a documentary frame—wide, warm, and alive with the quiet drama of the plains.

In Their Own Story

The morning light hits the tall grass first, turning every blade to copper. A herd of plains zebra stands in a loose semicircle, ears flicking, watching the sun crest the horizon. A giraffe lowers its long neck to strip a fresh shoot from an acacia, the leaves crunching softly. Farther down the plain, a lioness rests in a patch of shade, one amber eye tracking the movement of a young impala. The air smells of dry earth and warm dust. Somewhere beyond the watering hole, an elephant trumpets a low, rolling call that vibrates through the ground. This is the Grassland at its most still, most honest—a world measured in the slow patience of the sun and the endless, golden patience of the grass.

Reader's Guide

The Grassland biome in Planet Zoo is an open, warm savanna environment designed for housing the iconic animals of the African plains and similar grassland habitats. It features gently rolling terrain, golden grass, scattered acacia trees, and a warm seasonal climate that shifts between lush green and dry amber.

Its role in the game is straightforward but essential: it is the natural home for a large roster of animals including zebras, giraffes, African elephants, lions, white rhinos, and various antelope species. Because the terrain is broad and open, it encourages players to design large, flowing enclosures rather than tight, wall-bound spaces. Sightlines are a key design consideration—both for the animals' comfort and for the visitor experience.

The Grassland matters because it is one of the most visually iconic biomes in the game and often the first one players build in. Its relatively simple terrain palette makes it forgiving for beginners while still offering enough variation—rocky outcrops, water features, seasonal color shifts—to keep experienced builders engaged. Getting the grassland habitat right is a rite of passage in Planet Zoo: the open spaces reward thoughtful planning, and a well-executed savanna enclosure can be the centerpiece of an entire zoo.

Did You Know?

• The Grassland biome's seasonal cycle visibly transforms the environment, shifting the grass from deep green in the wet season to a bleached, sun-bleached gold in the dry season, giving the same enclosure a completely dif
• Acacia trees are the signature flora of the Grassland, and their flat-topped canopy is one of the most recognizable silhouettes in Planet Zoo's visual identity.
• Because the Grassland terrain is wide and open, it is particularly well-suited for housing large social groups like zebra herds and elephant families, where space and sightlines are critical to animal welfare in the game
• The Grassland is one of several core biomes available in Planet Zoo, alongside Tropical, Desert, Boreal, and others, each with its own distinct terrain, vegetation, and climate settings.