Easy to Use Platform Set package containing pixel art
Ideal for a simple yet cool platformer game.
-20 tiles
-3 trees
-sky
You can build basically any platform game level using this asset. Trees are bigger than tiles, and in single separate files, so it will be easy to use them for parallax effect, or randomly generated 2nd plan.

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Asset Store Link – https://assetstore.unity.com/packages/2d/environments/easy-to-use-platformer-set-54188