Help me find this level!

I remember playing some level ages ago, but I cannot for the life of me find anything about it online or in-game!

Things I remember from it: *Multiple custom game modes *Very resource-heavy *Very colorful, maybe too colorful, with a lot of white (ik that makes no sense but it does in my head) *Higher difficulty (harder or above)

My only memories of this level are from many years ago, during the 2.1 update cycle (before 2.2 came out, after 2.1 came out.

Any help in finding this would be appreciated!