Planet Zoo DLC packs follow a reliable formula: animals, scenery, sometimes a scenario. The Zookeepers Animal Pack ticks all three boxes, and the framing device - centering the campaign on the staff rather than the exhibits - is a small but appreciated twist that gives the scenario a different emotional anchor than the usual "build a profitable zoo" brief. If you have put serious hours into Planet Zoo already, the keeper-focused narrative gives the scenario replay value beyond a simple checklist challenge. The headline number is seven new animal species. Frontier does not announce which species ship in each pack until close to launch, but seven is a strong count for a mid-tier DLC and meaningfully expands habitat diversity. Each species comes with its own welfare requirements, social needs, and enrichment objects, which means real decisions about how you allocate keeper time and exhibit space. Veteran players will immediately start planning which biomes need restructuring to accommodate the newcomers, and that planning phase is genuinely where Planet Zoo lives. The 95-plus scenery and decoration pieces are where a lot of the long-term value sits for creative builders. Frontier's prop libraries have always been the secret backbone of the Steam Workshop ecosystem, and a large scenery drop like this tends to ripple through community uploads for months. If your play style skews toward detailed habitat theming over spreadsheet optimization, this is the part of the pack you will use most. For pure management players who build functional rather than beautiful zoos, the scenery count matters less, but the animal mechanics still pull their weight. What the pack does not change is Planet Zoo's persistent structural weaknesses. The guest AI pathing and the late-game performance hit on large saves are base-game issues no DLC addresses. The campaign scenario will hit a ceiling for players who have already internalized the game's systems, and scenario difficulty scaling remains inconsistent across the broader DLC lineup. If you are new to Planet Zoo, this is not the entry point - the base game plus one of the continent-themed packs gives a better foundation before you layer in a keeper-centric scenario. For existing players, the value proposition is straightforward: seven species with genuine welfare depth, a massive scenery library that feeds the Workshop pipeline, and a scenario with a fresh angle on familiar mechanics. The pack does not reinvent anything, but it adds competent, well-crafted content to a simulation that rewards exactly this kind of incremental expansion. Diego, Scout Team