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Planet Zoo 2 has five accreditation tiers. Career mode advances through scenario medals, while Franchise mode advances through Zoo Reputation and Wildlife Reserve Biodiversity stars; progress in one mode does not raise the other. Higher tiers expand the animals available in Trading and add marketing, campaign, research-network and storage benefits. The requirements below reflect the guide checked on November 9, 2026, alongside Frontier’s Update 1.0.6 changes, but goals and animal placements can change, so verify the live in-game accreditation panel and Zoopedia if your game is on a newer build.
Accreditation tiers at a glance
The tier number is shared across modes, but the work required to reach it is not. Career uses medals earned from scenarios; Franchise uses ratings earned by developing separate zoos and Wildlife Reserves.
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Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Clear out junk files and repair common Windows errorsFree Scan →Scan for outdated or missing drivers - takes under a minuteDriver Scan →| Tier | Career requirement | Franchise requirement | Reported rewards |
|---|---|---|---|
| 1 | Starting tier | Starting tier | One Bronze marketing slot |
| 2 | 2 Bronze and 1 Silver Career medal | One zoo with 3 Reputation stars | Two Bronze marketing slots; Nordic Fjords Career level |
| 3 | 7 Bronze and 1 Silver Career medal | Two zoos with 3 Reputation stars and one Wildlife Reserve with 2 Biodiversity stars | One Bronze and one Silver marketing slot; Sumatra Reserve Career level; Silver campaigns |
| 4 | 12 Bronze and 2 Silver Career medals | Two zoos with 4 Reputation stars and two Wildlife Reserves with 3 Biodiversity stars | One Bronze and one Silver marketing slot; Maluku Islands Career level; 50 additional animal-storage slots |
| 5 | 18 Bronze and 2 Silver Career medals | One zoo with 5 Reputation stars and two Wildlife Reserves with 5 Biodiversity stars | One Silver and one Gold marketing slot; Gold campaigns; Credit Where It’s Due achievement |
The complete table comes from the current independent tier guide, while Frontier’s Update 1.0.6 notes confirm the important post-launch requirement reductions. Treat the table as a current snapshot rather than a permanent rule set.
What does accreditation measure in Planet Zoo 2?
Accreditation is the game’s progression gate for advanced content. As a tier rises, more animals become eligible to appear in Trading and additional management rewards become available. An accreditation unlock is not a free animal: you still pay the applicable in-game price, which can include Conservation Credits.
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The system also controls progression rewards such as marketing capacity, campaign grades, Career-level access and, at tier 4, extra animal-storage capacity. Research Network options are part of the wider reward system, although the available sources do not assign a separate Research Network item to every individual tier. Check the reward card in your current game for the exact unlock wording.
Does Career mode raise Franchise accreditation?
No. Career and Franchise maintain separate accreditation progress. Career medals do not count toward Franchise’s Reputation and Biodiversity requirements, and building Franchise locations does not award Career medals.
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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchIn Career, complete scenario objectives in ordinary zoos and Wildlife Reserves to earn Bronze and Silver medals. A scenario’s medal is awarded for meeting its listed goals, so simply opening or playing a scenario is not enough. In Franchise, accreditation is based on the star ratings of locations you develop: Zoo Reputation for zoos and Biodiversity for Wildlife Reserves.
This separation means the same tier number can represent very different work. A Career player can reach tier 3 by collecting the required medal mix across scenarios; a Franchise player must operate multiple high-rated locations, including a reserve from tier 3 onward.
How do I increase accreditation in Career mode?
Career progression is a medal checklist. Focus on completing the scenario goals that award the required Bronze and Silver medals, rather than trying to improve Franchise-style star ratings.
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- Open the Career accreditation goals. Use the progression or accreditation panel to see how many Bronze and Silver medals remain for the next tier.
- Choose scenarios with achievable objectives. Read the full goal list before committing resources; financial, welfare, research and guest targets can interact, and an unfinished objective does not contribute a medal.
- Complete the scenario and claim the medal. Confirm the medal appears in your Career record before moving on.
- Repeat until the threshold is met. The current requirements are 2 Bronze plus 1 Silver for tier 2, 7 Bronze plus 1 Silver for tier 3, 12 Bronze plus 2 Silver for tier 4, and 18 Bronze plus 2 Silver for tier 5.
The named Career levels associated with tiers 2, 3 and 4 are Nordic Fjords, Sumatra Reserve and Maluku Islands. Tier 5 adds the Credit Where It’s Due achievement. These are rewards for meeting the tier threshold, not extra medal types.
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How do I increase accreditation in Franchise mode?
Franchise advancement comes from location ratings, so plan for several sites rather than trying to push one zoo indefinitely. Zoo Reputation and Wildlife Reserve Biodiversity are separate measures, and both are required for the higher Franchise tiers.
- Build a stable first zoo. Improve the factors that feed its Reputation rating, then continue operating it until the location reaches the required star level.
- Create additional zoos when the tier asks for them. Tier 3 needs two different 3-star zoos; tier 4 needs two different 4-star zoos. The locations must each meet the stated rating.
- Open Wildlife Reserves for Biodiversity stars. A reserve is not interchangeable with a zoo. Tier 3 requires one 2-star reserve, tier 4 requires two 3-star reserves, and tier 5 requires two 5-star reserves.
- Maintain the ratings while checking the accreditation panel. If a location drops below the required stars, the panel may no longer show the threshold as complete. Verify each location’s current rating in its management screen.
The tier 5 Franchise requirement is one 5-star zoo plus two 5-star Wildlife Reserves. It does not require two 5-star zoos under the current guide.
What does each accreditation tier unlock?
Tier 1: starting access
Tier 1 is the entry state in both modes. Its reported reward is one Bronze marketing slot. There is no medal or star threshold to complete because every new progression track starts here.
Tier 2: first meaningful expansion
Career needs two Bronze and one Silver medal. Franchise needs one zoo with 3 Reputation stars. The reported rewards are two Bronze marketing slots and the Nordic Fjords Career level.
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Tier 3: reserves enter the Franchise path
Career needs seven Bronze and one Silver medal. Franchise needs two 3-star zoos and one Wildlife Reserve with 2 Biodiversity stars. Rewards include one Bronze and one Silver marketing slot, the Sumatra Reserve Career level and access to Silver campaigns.
Tier 4: larger operations and storage
Career needs 12 Bronze and two Silver medals. Franchise needs two 4-star zoos and two 3-star Wildlife Reserves. The reported rewards are one Bronze and one Silver marketing slot, the Maluku Islands Career level and 50 additional animal-storage slots. The storage increase is especially useful if you trade or hold animals across several locations.
Tier 5: the maximum listed tier
Career needs 18 Bronze and two Silver medals. Franchise needs one 5-star zoo and two 5-star Wildlife Reserves. Tier 5 adds one Silver and one Gold marketing slot, Gold campaigns and the Credit Where It’s Due achievement.
What changed in Update 1.0.6?
Frontier described Update 1.0.6 as lowering Zoo and Wildlife Reserve requirements “to make for a smoother progression.” The patch changed the reserve thresholds and reduced the number of locations needed at tier 5.
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- Tier 3 now needs a 2-star Wildlife Reserve instead of 3 stars.
- Tier 4 now needs 3-star Wildlife Reserves instead of 4 stars.
- Tier 5 needs one fewer zoo and one fewer Wildlife Reserve than before.
The same update included a balancing pass that moved some animals to different unlock levels when their previous placement did not match their relative ease of care, with particular attention to exhibits and fish. That means a launch-era species list can be wrong even when the tier requirements are correct. Read the current animal entry in Zoopedia before planning a trade.
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How should I verify an animal unlock?
Use the in-game Zoopedia and the Trading screen rather than relying on a static online list. Accreditation determines whether an animal can enter the Trading pool for your progression level, but the animal still has an in-game cost and its placement may have been rebalanced independently of the tier goals.
For a reliable check, open the animal’s Zoopedia entry, note its required accreditation level, then confirm that your Career or Franchise track shows the corresponding tier. If the two displays disagree after an update, follow the live in-game requirement and consult the latest patch notes; do not assume an old guide reflects your build.
Why might my tier not unlock immediately?
First identify the mode in which you are trying to advance. A completed Career medal cannot satisfy a Franchise star requirement, and a highly rated Franchise zoo cannot add a Career medal. Next, check that every location requirement is met simultaneously: tier 3 and above in Franchise require multiple named locations, not a cumulative total of stars from one site.
Also check the exact rating type. Zoo Reputation stars and Wildlife Reserve Biodiversity stars are not interchangeable. Finally, refresh the accreditation panel after the scenario result or location rating has registered. If your version differs from the November 2026 guide, the live goal text takes priority because Frontier can rebalance thresholds in later updates.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How we interpret the current requirements
This guide uses the November 9, 2026 tier table from an independent Planet Zoo 2 guide and cross-checks the post-launch changes against Frontier’s Update 1.0.6 announcement. The unofficial guide notes that only part of its animal table was rechecked after the update, and Frontier’s public patch notes do not publish a complete species-by-species list. For that reason, the tier table is suitable for planning progression, while individual animal unlocks should be verified in-game.
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Bottom line
Choose your progression plan by mode: collect the specified Career medals for a scenario-focused route, or build several high-rated zoos and Wildlife Reserves for Franchise. Tier 3 is the first Franchise checkpoint that requires a reserve, tier 4 adds 50 storage slots, and tier 5 delivers the highest listed marketing and campaign rewards. Because requirements and animal placements can change, check the current accreditation goals and Zoopedia whenever the game updates.
Frequently Asked Questions
Are animals free once I reach a higher accreditation tier?
No. Accreditation makes additional animals eligible for Trading, but you still pay the listed in-game price. Depending on the animal and transaction, that price may use Conservation Credits.
Can one Franchise zoo satisfy every zoo requirement?
No. The higher Franchise thresholds specify multiple zoos, so tier 3 requires two separate 3-star zoos and tier 4 requires two separate 4-star zoos. Tier 5 changes the mix to one 5-star zoo plus two 5-star Wildlife Reserves.
Where can I check an animal’s current accreditation level?
Open its entry in the game’s Zoopedia and compare the listed requirement with your accreditation panel. This is safer than copying a launch-era species list because Update 1.0.6 moved some animals between unlock levels.
Will a future Planet Zoo 2 patch change these tier requirements?
It can. Frontier has already reduced several Franchise thresholds, and the current table is a November 2026 snapshot. Recheck the in-game goals after updates instead of assuming the previous numbers still apply.
