In Half-Life 2, the Gravity Gun is the Zero Point Energy Field Manipulator: a fictional device that lets Gordon Freeman pull in, hold, drop, shove, and launch objects in the environment. It works as both a world-interaction tool and a combat option. The controls below are those documented in the Prima Official guide; your key bindings may differ.
What is the Gravity Gun?
The Gravity Gun is the common name for Half-Life 2’s Zero Point Energy Field Manipulator, also called the Physics Cannon. It is a game weapon, not a real device that manipulates gravity. The Prima Official Half-Life 2 guide has a dedicated section explaining its operation.
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Rather than firing conventional ammunition, the tool interacts with objects in the game world. You can draw in an object, hold or drop it, and propel it forward; at close range, it can also shove objects away. This makes it useful for moving obstacles and using the environment during combat.
What can it pick up and do?
- Pull in and hold: The guide demonstrates drawing in a lightweight object such as a paint can.
- Drop: Release an object you are holding.
- Launch: Fire a held object forward, turning suitable objects into projectiles.
- Shove: Use a close-range burst to push an object away.
- Move larger objects: The guide also describes picking up larger objects such as a crate.
What you can manipulate depends on the object and the situation in the game; the guide’s examples illustrate the basic interactions rather than promising that every object behaves the same way.
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Controls documented in the Prima guide
| Action | Guide-documented control |
|---|---|
| Pull in an object or drop a held object | Right-click |
| Launch a held object or shove an object at close range | Left-click |
| Switch back to the previous weapon | G |
These are the bindings in the cited guide, not a guarantee for every edition, platform, or customized control layout. Check the game’s control settings if an input does not match.
Why does the Gravity Gun become a “super” Gravity Gun?
A Game Developer retrospective reports that the enhanced “super-gravity gun” was created after the team had concluded the Gravity Gun was a successful element of the game. That account establishes the development context without requiring assumptions about the team’s broader design intent: Game Developer’s retrospective.
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Was a real Gravity Gun replica made?
Yes. NECA announced a 1:1 Gravity Gun replica in 2013 and later posted preorder information for a Zero-Point Energy Field Manipulator replica. Those historical announcements establish that a prop was announced, not that it is currently sold or available: NECA’s replica announcement and NECA’s preorder information.
If considering a secondhand collectible, verify the seller, condition, included parts, and evidence of authenticity before buying. The announcements do not establish present stock or price.
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Looking for a Gravity Gun guide or collectible?
For instructions and reference, the Half-Life 2 Prima guide is a relevant book search because it includes a dedicated Gravity Gun section. Its current edition status and retail inventory are not established by the available publication information. A replica serves a different purpose: it is a display collectible, and its current availability likewise needs confirmation.
When comparing either option, check what you actually need: instructional content versus display, edition or authenticity evidence, completeness and condition, and the full current price. Do not assume an old announcement means a product is still in stock.
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