0-3 // DOUBLE DOWN (Any%)

First Checkpoint

No Glass Punch

Slam Store in the start room then Dive through the doors, fire a rocket up to break the glass then Ultraboost up.
Dash and slam to the door then CE Boost up the stairs and Slide Jump to the checkpoint.
Before reaching the checkpoint fire a blue saw and equip alternate green saw, then checkpoint

Glass Punch:

Slam Store in start room then Dive through the doors, UB straight up when you land
Time a knuckleblaster punch to destroy the glass without bonking on it
Dash and slam to the door then CE Boost up the stairs and Slide Jump to the checkpoint
Before reaching the checkpoint fire a blue saw and equip alternate green saw

Jackhammer Boost

Boss Kill:

Beginner Kill

From checkpoint dash, fire the overheat saw, then dash jump and pump green shotgun twice
Which attack swordsmachine does is based on your distance from the boss and you want the standing swing, so stand close to where it spawns
Shotgun parry swordsmachine
Jump and throw a coin straight down, then punch it
Punch it 2 more times while pumping green shotgun twice
Shoot swordsmachine with the shotgun
Punch once more while charging slab piercer
Fire both the piercer charge shot and electric rail up through swordsmachine into the coin
S.R.S. Combo
Slam Store Exit

Dram Kill

From checkpoint dash, fire the overheat saw, then dash jump and fire a coin down, pump green shotgun twice then punch the coin right before it hits the ground
Which attack swordsmachine does is based on your distance from the boss and you want the standing swing, so stand close to where it spawns
As soon as swordsmachine spawns, punch the coin then shotgun parry swordsmachine
Start charging slab piercer while punching the coin then fire the charge shot up through swordsmachine into the coin
Throw a new coin straight down so the piercer chains to it, then whiplash the coin
Jump and punch the coin when the charge shot reaches it
Shoot the revolver at the coin immediately after punching it
Slam to the ground and S.R.S Combo
Optionally fire electric rail, this will make the kill work whether or not you timed the final revolver shot correctly
Slam Store or UB exit
Variant with Rail

Ven Kill (might be so niche that we shouldn’t even include btw)
Halak Kill