Add Core Keeper game libs

[limoka]

Game name

Core Keeper

Request type

Adding a new game to the feed

Target frameworks, package dependencies

netstandard2.1

• No dependencies

Allowed assembly names

All of them

Contact details

Kremnev8#3756

Additional information

Game uses il2cpp so uploading all of the assemblies.

Package ownership agreement

• [X] I acknowledge and agree to the above rules

[ghorsington]

Granted key as requested