Existing Unity game modification

Job ID: 35453850

Budget: $750 – $1,500 USD

I would want to modify an existing unity game.
The game is located withing the unity asset store.
The list of modifications include but not limited to:
1) UI changes
2) Integrate API
3) Functional changes

Here is the game:
https://assetstore.unity.com/packages/templates/packs/mfps-2-0-multiplayer-fps-101171

The right candidate will have experience in unity game development and an understanding of game assets.
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