Seeders: the first door puzzle

Seeders is the game I'm currently making. In between action and physics puzzles, there will be locks like this one which are pure logic puzzles. I converted this one into a web page, so that I can get some feedback. I fear it's too hard to solve and would turn players away from playing the game further if it required to solve it to advance.

The goal: Align the same colors and symbols either by rows or columns.

Use arrow keys on the keyboard to play. If they don't work, you can also use the buttons below the puzzle.

What do you think? Is the puzzle too hard? Should it be optional?

Please send me a tweet or reply in Hacker News thread: https://news.ycombinator.com/item?id=9335491

P.S. For more info on the entire game (which is a 2D puzzle platformer), go to the Steam Greenlight page which has a video and screenshots as well.

Bigosaur, 2015-04-07