Flowey controls: Z to shoot white projectiles at wherever the mouse pointer is, X to shoot white projectiles in a widespread manner at the soul, V to make vines come down at the mouse pointer, B to make flowey bombs fall from where ever your mouse pointer is, N to make hand guns come and target the soul, M to make flamethrowers come and shoot short range flames where ever your mouse pointer is, A to shoot chomping bouncing things at the mouse arrow, S to spawn pellets at the mouse arrow that will shoot at the soul after the key is let go, D to summon flies. F to save, G to load, Omega Flowey and Frisks HP and the Soul position will be set to what it was when you saved when you load. 1 to activate the cyan soul attack, when the attack is activated knives will move across the screen and shoot in the direction of the cursor. 2 to activate the orange soul attack. When this attack is active a circle of gloves will bounce around the screen. 3 to activate the blue soul attack which will send an onslaught of shoe projectiles at the soul. 4 to activate the purple soul attack which makes "word" projectiles come from either side of the screen. 5 to activate the orange soul attack which will shoot flames at the soul. 6 to activate the yellow soul attack which will shoot bullets at the soul via a gun. Extra attack: press Q for beam attack (I found the beam attack in the sprites and it had no use so I added it :D) also YOU ARE GOD LIKE OMG Frisk controls: Left, right, up, and down arrow keys to move, push 0 on the attack button to attack.
It was actually simple but if you don’t want tto waste time, here you go.