Suna No Hanataba by Babelism / PAHC is the thirteenth (or fourteenth level depending on whether you include SAVE AS) level that you visit while playing Over Again by PAHC the intended way. At the end of this level you get 1/5th of the final code in Over Again.

This is by far the hardest of the Babelism trials and took me an astounding 2270 attempts just to beat in normal.

From 0-30%, you have a very precise cube part with several timings that will kill you almost every attempt. You really need to have your click pattern locked in to get past this consistently.

From 30-50%, you have a UFO that's a bit of a break part. It's not free but it's definitely the easiest part of the level.

From 50-67%, you have an extremely precise wave part with some awkward click patterns. The transition from this wave to the final robot is the hardest part of the level imo.

From 67-100%, you have a very precise robot part with some precise clicks. I'd estimate I died to this robot 50 times in normal while trying to beat this :(

I don't recommend going for this level - just play it in practice mode to get the code and move on. The level does have amazing sync, but it's just way too precise for anyone who isn't an extreme demon grinder.

According to PAHC, this challenge was made by Sink, the moderator who stole WKGames' famous "We Have Extremes at Home" list to get his own rated list "HARDEST EXTREME DEMONS"