| N | Toggles the editor on or off. | |
| Left mouse | Toggles a cube as blocking or not. | |
| Right mouse | Hold and point. If initially pointing on a cube, will delete that cube and any other you point to. If initially pointing on nothing, will create a cube under you and around each cube you point to. | |
| W | Move forward. | |
| A | Move left. | |
| S | Move back. | |
| D | Move right. | |
| P | Opens the sprite spawning menu. Press P again to see the modded sprites menu. Left click to spawn the sprite or press P again to cancel. | |
| V | When pointing on a cube face, opens the cube texture menu. Left click to change the cube's face's texture or press V again to cancel. | |
| Ctrl + C | When pointing on a cube face or sprite, copies the texture or sprite type. | |
| Ctrl + V | Spawns a copied sprite or changes the texture of the cube's face with the copied texture. | |
| Ctrl + Shift + V | Changes the texture of all of the cube's faces with the copied texture. | |
| Delete | Deletes the pointed sprite. | |
| C | Toggle spectator mode. | |
| Space | Jumps or goes vertically in spectator mode. | |
| Plus | Raises a sprite or raises a cube when pointing to the cube's floor or ceiling. | |
| Shift + Plus | Greatly raises a sprite or a cube when pointing to the cube's floor or ceiling. | |
| Ctrl + Shift + Plus | When pointing at a cube's floor or ceiling, greatly raises the floor or ceiling of all the connected cubes of the same height | |
| Alt + Plus | Barely raises a sprite or a cube when pointing to the cube's floor or ceiling. | |
| Minus | Lowers a sprite or lowers a cube when pointing to the cube's floor or ceiling. | |
| Shift + Minus | Greatly lowers a sprite or a cube when pointing to the cube's floor or ceiling. | |
| Ctrl + Shift + Minus | When pointing at a cube's floor or ceiling, greatly lowers the floor or ceiling of all the connected cubes of the same height | |
| Alt + Minus | Barely lowers a sprite or a cube when pointing to the cube's floor or ceiling. | |
| L | Toggle a sprite's light or, if pointing at something else, toggles between fully bright or flashlight view. | |
| Ctrl + L | There are two types of lights: sky lights and normal light sources. If pointing at a sprite with a light of one type, toggles all the lights of this type on or off and the lights of the other type on or off. Useful for making sure you're not using too many lights of one type, but have enough to light the whole scene. Reload the level to set all the lights back on. | |
| H | Makes a sprite invisible(not in the editor) or hides a cube's ceiling. | |
| Ctrl + H | Hides the ceiling of all connecting cubes of the same height as the pointed cube. | |
| E | Toggles a cube as empty or not, which means the game can use it to spawn entities on. | |
| O | When pointing the floor: toggles a cube as having oxygen or not. When pointing a wall, toggles the wall as being a potential normal door or starting door. | |
| I | Toggles a cube as invalid or not, which means that no enemy or player can enter it. | |
| R | Rotates a sprite or a cube face texture. | |
| T | Saves this sprite as the target. | |
| Ctrl + T | Sets the target of this sprite to be the saved target. | |
| 1-9 | Set the room switch index of this sprite. | |
| Shift + 1-9 | Set the level switch index of this sprite. | |
| F6 | Saves room. | |
| F9 | Loads room. | |
| F7 | Add and load a new room of this type. | |
| End | Change level type and load first room. | |
| Home | Change room type and load first room. | |
| PageUp | Load next room. | |
| Shift + PageUp | Load the room that is 10 indexes later. | |
| PageDown | Load previous room. | |
| Shift + PageDown | Load the room that is 10 indexes before. |