I appreicate the kind and constructive feedback, I totally understand what you mean and to be honest I had to reduce the difficulty several time just caues I thought it would be too hard for the player to beat.
Since it was for a jam I decided to make the game easier rather than too hard, but yea If I keep working on this game I'd introduce more level sets with increased difficulty and higher skill requirement.
Viewing post in Lights Out jam comments
I am glad that you decreased the difficulty, because Jam games need to be more forgiving to cater to different skillset player playing it. its better to be able to explore all mechanics that you have offered in game rather then being stuck on first few levels due to not being a skillful gamer.
This is the lesson i learned from this game jam