Greetings, Sorry you're experiencing problems. the player can pogo by hitting your sword downwards and hitting an enemy/spike, you can pogo the centipedes across. As for any other questions regarding the movement, the controls are written on the page, thank you for commenting and playing. (Here are the controls)
Controls:
WASD - Movement
Space - Jump
WASD & Click - Directional Sword
WS & Click On Spikes - Pogo
E - Dash
Left Shift & Left Click - Throw Fluid
ZX - Swap Fluid
(Unlockable Controls):
Q - Place Vine on Nail
Left Shift & Right Click & On Wooden Surface - Places Nail
Space & Falling - Jetpack
Left Shift & Right Click - Spawns Wall