Oh sorry, we're working on that (tutorial and control help), but for now i will write them here and in the game's page :D
Movement : "W, A, S, D"
Jump: "Space"
Player direction: Mouse pointer
Interact/pick: "E"
Drop: "Q"
Switch Weapons: "F"
Attack: Right click
Defend (with shield): Left click
Dash/header: "Left ctrl"