Things I would like to know before developing my own game

For the last two years, in my free time from my main job, I have been developing a personal project - a game that I released on Steam a couple of months ago. Throughout the process, I made a lot of mistakes and kept notes for my “past self.” This list may not apply to your game in particular, nor to your engine or language (I used Unity and C #). But I believe that these tips can help someone. Go.

Things I would like to know before starting work on my own game.

• Making a complex and polished game that you can release and even have a small chance of success will be 100 times harder than you can imagine. I am not exaggerating.
• Use the correct unit scale from the start, especially if you have physics in the game. In Unity, 1 unit = 1 meter. Wrong scale will make your physics weird.
• Sprites must be made and imported with a consistent size, DPI, PPU.
• Make sure the sprites are POT. Or pack them in atlases.
• Turn on crunch compression on all sprites where you can (POT + crunch can easily turn 1.3 MB into 20 KB)
• Create a UI from components that can be reusable.
• Name the UI components sequentially to make them easy to find.
• Make a play style guide early on.
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• If you are not a celebrity with> 10K fans, then spamming about playing on Twitter will be useless. The hashtag #gamedev moves at a speed of several messages per second - most likely neither your game nor what you recently did will care. Better get your hands on development.