Ultimate Mixed Eras
⚪ Last updated 2021Preview

🔍 Analysis
- 👍 2.6% endorsement rate — high engagement, a strong quality signal
- 🏆 #1 of 27 Gameplay mods in this game by downloads
📋 About This Mod
The Ultimate Mixed Eras experience.
IMPORTANT: When updating to 1. 6. 4 from a previous version:
The structure of the mod has change a little. Before installing the update:
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[]Go to your game directory at "(...)\Jurassic World Evolution\Win64\ovldata\"
[
]Delete the entire "JPEOCore" folder. This folder uses a more efficient structure now.Mixed Eras
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[]All JW and JP buildings available in JP Sandbox.
[
]All special buildings. (operations centre - arrival tunnel - arrival monorail station - monorail gates - tour gates)[]No limits on the number of buildings in Sandbox (operation buildings/visitor centres/helipads/etc).
[]Makes Scientist guests spawnable in JP Era. Spawned using sciencey buildings.
[]BOTH Aviaries work in JP Era
[]All Ranger and ACU skins accessible in JP Era
New Features
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[]Guest crossings for tour tracks.
[
]Monorail Lookout Stops.[]Jurassic Park gates for guest paths (if you have Expanded Paths, Pylons and Fences installed).
[]Enhanced Terrain Tools +
[]NO track, path or fence constraints
[]NO scenery constraints
[]NO terrain constraints
[]NO building clipping (Sandbox-only)
[]Increased slope when placing buildings
[]Underwater/Underground feeders
[]Remote Hatcheries at Arrival Helipads
[]Ingen Database and Expedition Map for Sandbox and Challenge Modes
Sandbox-Only Hatchery Upgrades
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[]Hatchery Capacity 2. 0: +3 slots (so you can use it alongside Speed/Success Rate)
[
]Success Rate X: +1,000% viability[]Incubation Speed X: Maximum incubation speed.
JP Challenge Mode
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[]Access to all dinosaurs.
[]Access to all Dr. Wu gene slots.
[]Global Operations from Dr. Wu.
Stable
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[]Doesn't affect any Campaigns. All new buildings/limits are ONLY for Sandbox.
[
]Doesn't affect JW Challenge Mode.[]Only adds the 3 stated changes to JP Challenge Mode.
No DLC Required
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[]Return to Jurassic Park for the second era to exist.
[]All other DLC is optional.
IMPORTANT: Credits
[]There is an optional download that includes the pre-injected files of Enhanced Terrain Tools. This mod was made by Harlequinz Eg0, and they have very kindly allowed it to be uploaded in this form. If you use that version of the mod, please make sure you also download and leave an endorsement on t
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[]Return to Jurassic Park for the second era to exist.
-
[]Doesn't affect any Campaigns. All new buildings/limits are ONLY for Sandbox.
-
[]Access to all dinosaurs.
-
[]Hatchery Capacity 2. 0: +3 slots (so you can use it alongside Speed/Success Rate)
-
[]Guest crossings for tour tracks.
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[]All JW and JP buildings available in JP Sandbox.
Ultimate Mixed Eras is a gameplay mod for Jurassic World Evolution that fixes bugs and enables complete mixed eras, removing all building limits in Sandbox mode. It adds special buildable tracks and works with all DLC, without affecting Campaigns or JW Challenge. A pre-injected Enhanced Terrain Tools version is optional.
✨ Key Features
📊 Pros & Cons
✅ Pros
- Huge community trust with 1,263 endorsements and nearly 50k downloads
- Removes all building limits in Sandbox for unrestricted creativity
- Works with all DLC so you don't have to pick and choose
⚠️ Cons
- Last updated in 2021, so may not be compatible with the latest game patches
- Doesn't affect Campaigns or JW Challenge, so if you play those modes, this mod won't help there
This is for sandbox players who want to mix dinosaurs from every era without restrictions. If you're a creative builder tired of building limits, this mod is a must-have. It's also for those who want bug fixes and extra track options.
💡 Beginner Tips
- Make sure you have all DLC installed to get the full mixed eras experience.
- If you use terrain tools, grab the pre-injected Enhanced Terrain Tools version to avoid conflicts.
- Sandbox mode is where this mod shines—use it to test wild combinations.
📊 Mod Details
- Game
- Jurassic World Evo Mods
- Author
- Kaiodenic
- Version
- 1.7.3
- Downloads
- 49,374
- Endorsements
- 1,263
- Category
- Gameplay
- Created
- 2/14/2021
- Updated
- 9/26/2021
🔧 How to Install Jurassicworldevoluti Mods
Download from Nexus Mods.
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