Very easy, even with the control swaps which only made the game more confusing. It could make an interesting mechanic if combining two actions into one would change playstyle, like if the rocket launcher hurt the player they would be forced into ranged combat if the sword is the same action, or if the flamethrower had a negative consequence the player would have to avoid flames, making movement harder.
This makes the game different from other "timed remaps" games this jam: the idea could be modified in an actually fun mechanic! Good job on the first jam, and good luck!