To use the gravity gun in Totally Safe Moon Project, aim at the thing you want and press the left mouse button: the pink claw grabs it and holds it floating in front of you, so you can carry it up a tower and set it down where you want it. The same tool also throws, rotates and shoots, which is why it occupies the first hotbar slot from the first second of a run.
Totally Safe Moon Project How to Use the Gravity Gun: the five prompts
With the gun in hand the HUD shows five prompts, and they are the whole tool:
| Prompt | Input | What it does |
|---|---|---|
| Pick Up Object | Left mouse button | Grabs the object in front of you and holds it floating |
| Drop Object | Q | Lets go of the held object where you stand |
| Throw Object | Mouse button | Throws whatever you are holding |
| Rotate (Hold) | Right mouse button | Turns the held object so you can place it flat |
| Shoot | Mouse wheel | Fires the gun at whatever is in front of you |
With nothing in your hands the prompts read "PICK UP" and "DROP" instead. The claw is a small object in front of the camera, and the camera is first person, so you always see the prop you are carrying.
Four of those five prompts exist to serve the tower — pick up, drop, rotate and throw are the carry loop that builds it, and the tower building guide is where that loop turns a pile of props into a stack.
What the gravity gun can lift
It is not limited to scenery. The gun picks up:
- Town props — cars, buses, houses, trees, crates, fences, shipping containers
- NPCs, which unlocks "Living Blocks"
- Another player, which unlocks "I'm the Boss!"
- A cloud, which unlocks "Partially Cloudy"
Two more achievements count the lifting itself: "Building Started" at 10 objects picked up in total and "Still Building" at 100. Lifting NPCs, other players and clouds is also the trick behind the collectibles list in the golden bucket guide.
Where the gravity gun gets stronger
The gun is the only tool you start with, and it sits in hotbar slot 1, where the HUD labels it GRAVITY GUN. The very same pink claw is labelled WRENCH in some parts of the HUD, so the two words mean one tool.
Its numbers are bought at the garage terminal: the "GRAVITY GUN" level row raises the tool as a whole, and a second kiosk tunes three values of its own — "Gravity Gun Distance", "Max Pick Up Weight" and "Throw Force". The upgrades guide has every row and its price in P.
Firing the same tool at a UFO
The Shoot prompt on the mouse wheel is not decoration. Firing the beam into the underside of a hovering saucer is what takes it down, with sparks at the point of impact, and the first kill unlocks "I Want to Believe".
The UFO guide walks through the whole shot, including where the saucer hovers and what its tractor beam does to your build in the meantime.