Enthalpy adds a single key to the controls screen. Everything else is ordinary clicking: use, sneak-use and holding the use button on the right items and blocks. This page lists them all so you can find the one you forgot.

The keybind#

KeyDefaultWhat it does
Open weapon socketsShift + right-clickOpens the sockets of the weapon in your main hand: crystal, kit and style on the Kingfish Katana; crystal, muzzle brake and Rail Scales on the Haddock Howitzer.

It is listed under Enthalpy in the controls screen, and you can rebind it to any key or mouse button. It only works with a katana or a howitzer in your main hand, so Shift + right-click does what it always does with anything else in your hand. With the howitzer it opens the sockets instead of powering up a shot, so stand up to fire.

Interactions#

Use is right-click, or your use button. Sneak-use is use while holding sneak.

Machines#

Do thisOn thisWhat happens
Use, empty handAny machine or engineOpens its screen.
Use with a bucket or other fluid containerA machine with a tankFills or empties the tank, where that tank allows it. Fuel tanks and water tanks only fill; they never give the fluid back.
Use with the Calibration Tablet or another wrenchA machine or engineTurns it. See Tools.
Sneak-use with a wrenchA machine, engine or Tank HatchPicks it up, keeping its upgrades, energy and settings.
Use with a wrenchA face of a formed EcotoneCycles that face's port: Disabled, Input, Output, Input & Output.
Use with a tier kitA machine that takes kitsFits the kit. Any kit already there is handed back; the same kit again is refused.
Use with a moduleA machineDrops the module into the first free slot. A message says if there is no room.
Use with a Void ModuleThe air, or a block that is not a machineOpens the module's filter: nine slots, a whitelist or blacklist and an Overflow or Always mode.
Click a face in the side panelA machine's screenCycles that face's mode. Right-click cycles back.

Tanks and water#

Do thisOn thisWhat happens
Use with glowstone dustA formed Tank Hatch or any pane of its glass; a Spawning BasinPuts the dust in and lights the tank. One dust per tank.
Sneak-use, empty handA lit tank or basinTakes the glowstone dust back out.
Use, empty handA Tank Hatch or one of its panesOpens the hatch's screen.
Use with a water bucket or pipeA Salt PanFills it with water. It starts boiling when it is full and has heat underneath.
Use, empty handA Salt Pan with a finished salt blockTakes the salt block into your inventory.

Weapons and the satchel#

Do thisWith thisWhat happens
Hold use, then releaseHaddock HowitzerPowers up a shot while held and fires on release. Letting go early fires a quick shot; the longer you hold, the harder it hits. Without charge or fish it misfires with a message.
Hold useA howitzer with Rail ScalesFires a steady stream of fish for as long as you hold.
Left click, or hold itA howitzer with a muzzle brakeFires the brake's ranged attack instead of swinging or mining, repeating while held.
Hold use, then releaseKingfish KatanaDraws the blade, then lunges forward on release. A short tap does nothing; a full draw lunges the furthest.
UseA katana with an Extendable BladeExtends the ranged elemental blade at once, in place of the lunge.
Left clickA katanaA normal sword swing.
UseTackle SatchelOpens the satchel.
Right-click the satchel in your inventory while holding fish on your cursorThe satchelSlips the fish in, up to its capacity. Only ammo fish go in.
Shift-click a crystal, brake, Rail Scales or kitA weapon's socket screenSends it to the socket that matches.

The howitzer, katana and satchel pages say what each of these does in play.

Good to know#

  • A machine opens its screen only on an empty-handed click, or with an item that does nothing else on it. Holding a wrench, kit or module always does that item's job first.
  • A formed Ecotone never rotates: a plain click with a wrench sets a port instead.