Christmas Mayham (boss)
Christmas Mayham (boss) is a boss level made by Comedy Mask Studio where you fight a giant snowman named Iris.
In the level, you start in The Void Box that tells you some mean attacks and how much time is left on the timer. However, it's best to leave The Void Box before 20 seconds are up or else your locked in.
Once on the Battlefield, there will be a short intro that plays before the boss fight starts. When the fight start, there will be snowmen rolling around, snowballs being thrown, and falling icicles.
There are 3 Phases in Christmas Mayham, each having 6 attacks.
Once you defeat all 3 Phases, an outro will play before you are carried away to the End Area where you can finish the level.
While traveling from Phase to Phase, you can see some Mini Islands with some goofy things on it like AFT Daring jumping hat or FROSTY CROSS defeating a snowman.
Something on those Mini Islands were made by different testers in GRAB like AFT Daring, Levi8020, and more.
There also another Mini Island at the End Area. You'll have to make a big jump to see it though.
Christmas Mayham as of right now has 35,300 plays and 13 likes. However, it is also rated as very hard with only 17 of players beating the level.
It is also one of the boss levels to a work in progress series called Mayham. Along with Halloween Mayham (boss) and 3 unknown levels.