Feedback and screenshot

My mum and my sister both said that it was a good actual map design but my character cant jump high enough and the spikes don't harm the player like they should.

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My Gran said that I need to add things to harm the player as well as the top two things with the issues jumping and the spikes.

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Finally my grandad said the base level so my tile map is good but when i work on it in the future i need to add the big enemies to give the boss rooms something to challenge the player.