Dr. Cube woke to something exploding beside his head.
Stone fragments tore across his shoulder.
Before he could rise, another block crashed down hard enough to buckle the floor.
Then another.
Then another.
The room was narrow.
Black walls.
No doors.
No windows.
Only an opening above.
Shapes fell through it.
Square.
L.
T.
S.
Each one large enough to crush him flat.
Cube watched.
Measured.
Adapted.
The early levels were simple.
Predictable.
Almost elegant.
Every piece followed rules.
Every mistake could be anticipated.
Every danger allowed enough time for thought.
So Cube survived.
Level 10.
Faster.
Level 15.
Sharper.
Level 20.
The impacts came hard enough to split the floor beneath him.
Cube moved between them.
A square shattered against the wall where his ribs had been.
An L-piece clipped his back and sent him sprawling.
He rose.
Adjusted.
Continued.
By Level 25, the room had become an execution chamber.
Blocks dropped like guillotines.
Every impact threw dust into his lungs.
His left arm hung bloodied.
His knee screamed when he moved.
Still, he survived.
Not because the world slowed.
Because he learned to become faster than it.
Level 27.
Cube snickered.
This place believed speed created panic.
It had mistaken him for someone else.
Level 28.
A T-piece descended.
Cube recognized the landing point instantly.
Moved.
Safe.
Another.
Safe.
Another.
Safe.
The walls flashed.
LEVEL 29.
The next piece appeared.
Then vanished.
Impact.
Cube was thrown backward.
He’d never seen it fall.
Another appeared.
No descent.
No warning.
Just impact.
A block crushed the space beside him.
Another struck his leg.
Something snapped.
Cube hit the ground.
Another piece came.
He rolled.
Barely.
Another.
Another.
Another.
The room became noise.
Stone.
Dust.
Blood.
There was no rhythm anymore.
No interval between observation and consequence.
Cube dragged himself behind a crooked block.
The cover lasted less than a second.
A square smashed through it.
Fragments tore into his side.
Cube stumbled forward.
The board rose around him.
Every correct route disappeared before he could reach it.
Every solution expired while he was still acting on it.
That was when he understood.
Level 29 didn’t care whether he was right.
It only cared whether he was fast enough to make being right matter.
Another piece dropped.
Cube jumped aside.
Too slow.
The edge caught his shoulder and drove him to the floor.
His vision flashed white.
He looked upward.
The opening was full.
Shapes waiting.
Dozens.
Then they all fell.
Cube ran.
The room collapsed behind him.
Blocks smashed together with enough force to pulp anything trapped between them.
The open space narrowed.
Ten feet.
Six.
Three.
One.
Cube reached the final square of floor.
Above him waited a perfect block.
No path left.
No correction.
No time.
The piece dropped.
And in the last fraction of a second before impact,
Dr. Cube finally found something perhaps more terrifying than being wrong.
Understanding exactly what was happening, and still being unable to stop it.