My first Block Party post? Wow! Anyways, this post was made possible by Popboy, so shout to them!
Cosmic Law - A Forums Suggestion. 
A Cosmic-Themed Post - Edited by ImNotBritish107.
The Description.
Every so often, the Heavens themselves take notice of the commotion below, and reality rearranges the rules entirely. When Cosmic Law triggers, the arena shivers, the lights ripple, and a new decree descends, twisting gravity, sight, speed, or the very floor beneath your feet.
In this celestial variant of Block Party, adaptation isn’t just helpful, it’s survival. Stand ready, keep your wits about you, and hope the universe is feeling merciful.
The Cosmic Law Phenomenon.
Every so often (30 seconds), the dance floor becomes a chain reaction of events called Cosmic Law, the gods way of punishing us after we tried to harness their power. Many different events can happen during Cosmic Law, including:
Isaac’s Catastrophe. 
The world lightens its grip. Jumps become floaty, grand for reaching distant colours, but dreadfully tricky for stopping on them.
The Upside Down. 
The camera flips your world topsy-turvy. The floor’s still beneath you, but your eyes will protest otherwise. A delightful bit of chaos.
Quantum Flicker. 
For a few wicked seconds, the colour indicators flicker and swap places. The dance floor becomes a guessing game. Sharp eyes only, please!
Stellar Surge. 
Movement doubles. Stopping becomes a suggestion rather than a guarantee. Expect players to zoom about the dance floor. One more thing: the blocks are slippery like ice.
Blindess Belittling. 
This one is quite the doozy, due to the fact that you’re literally blind. You can still see the colours underneath you, but guessing which direction to go is the challenging part.
Inversion Protocol. 
All blocks in the area invert in color (blues become orange, greens become red). Players can no longer rely on color patterns to strategize their movement.
Chromatic Deception. 
Every so often, the colour and life are sucked dry from the platform. Be sure to know what block you’re on, since not knowing where to stand could be detrimental.
Creak-born Murmur. 
A few Creaking shapes rise from beneath the tiles, drifting aimlessly and cracking any block they drift over. Keep your eyes peeled, and your legs on course!
Orbital Push. 
You feel compelled to slide towards one side, almost like the world’s axis tilted even more. Don’t slide off!
Cosmic Immobilization. 
The dance floor turns into a no-jumping zone. In fact, you lost your sprint abilities? How’s that possible? Whatever it is, chances of survival are somewhat low.
Mass Distortion. 
Blocks grow heavier at whim. It all starts to crumble instantly with a single step. All of the sudden it’s a game of Block Drop. Best tread lightly.
Astral Swarm. 
At the edge of hearing, a faint skittering begins. From each crack emerges a Silverfish infused with cosmic residue, glinting like shooting stars.
Feel free to suggest more Cosmic Law Properties. We need all the laws we can get!
New Power-Ups.
These are made for LTM only, not for the base game:
Gravity Pin. 
Creates a small gravity sink around you for several seconds, pulling nearby players ever so slightly inward. Not harmful, just an inconvenience.
Meteor Pulse. 
A tiny burst of force ripples outward from you, shoving nearby players just enough to disrupt their footing—like the polite nudge of a passing comet.
Any other ideas would work out great! Suggest them!
Final Thoughts.
PLEASE, suggest more ideas. Me and Popboy couldn’t think of that much of anything, so community suggestions would be great! That’s all we have for you, thanks for reading!
Contributors.
@ImNotBritish107 / Creator.
@MaybeCreaks / Co-Creator.
@Popboy7654 / Other Creator.
