conclusion

during each new round a floor can be added
Start: 2 floors with 2 staircases
middle: 3 floors with 4 staircases, 2 staircases next to each other in the middle leading to the 1st floor and 2 at the edges of the map leading from 2 to 3 underground
end
4 floors with 6 staircases

The barbell increases gravity when holding the weapon

you are given a menu of anomalies to choose from
Noob - runs away from the player when he sees the player; to catch him you need to touch him.
The dummy attacks the player once, first removing the shield, then killing him to arrange a shot.
The cube appears somewhere on the map and doesn't move. To catch it, jump into it.
Drill: emerges from under the map and rushes at the player; to eliminate him, you need to shoot
Rover: lingers near the stairs; to eliminate him, you need to go to him with a weapon.
When a player holds a weapon, he cannot run.

Guest: To catch it, you need to hover over it or run next to it.

When a character starts moving forward, within 5 seconds he starts to accelerate and within 5 seconds he runs faster and faster. After 5 seconds, a person can very quickly make a tackle and run to the next place in 3 seconds.
The player is also given a shotgun at the very beginning

After each game, the player is given money, about 250 for 1 mission, and can be upgraded in the store
running
reload speed
The slower the deceleration, the faster the running.
greater volume of endurance, i.e. accumulated running time in 5 seconds