project: red thorn MAP EDITOR

Construction

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Editable file: no download requested in this session.

Save editable file downloads the complete project and its media. Play map installs a separately checked playable revision on your selected server. In the lobby or game settings, Download map + editable project saves that revision with its source. Open the downloaded file here to keep editing its original objects and groups.

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Build in 3D

Choose a piece on the left and click a surface to place it. Keep clicking to place more; Escape exits. Room and Doorway create several editable pieces together. Construction chooses contact, face, pivot, landing or opening anchors and surface or opening orientation. Alt bypasses target snapping. Snap selection to floor carries the complete selection in one undo. Preview support is sampled against closed solids; limited coverage and overlaps are shown, and intentional overlaps remain placeable. Walk locally to check slopes and moving doors. Team matches insert on zone corners and edges; nearby team arrows set facing. Scatter Teams shuffles arrows regardless of marker team. Survival generates safe, spread-out starts from connected playable floors; no arrows or zones are needed. Add up to four insertion zones per team to spread team starts across buildings.

Click to select an assembly; Alt-click cycles individual overlapping members. Box select drags right for containment and left for crossing, through visible pieces. Shift adds and Ctrl/⌘ removes. Search accepts names, IDs, kind:wall, material:wood and in:floor-name; Select matches edits the results together. New floor creates an empty collection or wraps the selection. Inside moves complete groups between collections without moving their pieces. Floors organize the editor; hidden content stays in exports.

Inspect opens workplanes, roof and floor cuts, measurements, resting body scale, saved cameras and shortcut settings. Choose a named floor to follow its elevation, or pick a surface for an angled plane. Plan on plane gives an exact orthographic view. H returns to camera home, V toggles fly, and M starts a two-point ruler. Saved cameras travel with the editable file.

Drag the colored handles to move, rotate, or resize. Use the fields for exact dimensions. Choose a biome when starting a map. The biome palette starts with matching surfaces; browse other biomes to mix materials. Palette images and your own images are embedded in your file.

Drag / right drag / scroll
Orbit / pan / zoom
B / Shift-drag / Ctrl or ⌘-drag
Box select / add / remove
W / E / R
Move / rotate / resize
F / Escape
Focus selection / cancel
Shift D / Delete
Duplicate / remove
Ctrl or ⌘ Z / Shift Z
Undo / redo
Ctrl or ⌘ S
Save a map file

Save file downloads your map. Open restores it for editing. Check map locally checks exposed source faces, insertion support, and sampled walking escape routes. Preview exact duplicate repairs and restore them with Undo. Visual warnings remain advice; inspect moving doors in Walk. Locations use X / Y / Z in meters. Texture appearance still needs a visual check. Play map checks the map again and starts a practice round. Friends can join the room using its normal invite.

Help & feedback ↗

Multiplayer playtest

Upload this map to a game server and start a practice round. Requires the server operator’s upload token.

For movement, stairs and doors, use Walk locally without a server.

Preview repair

Walk the current draft

Choose a match start to rehearse movement and use doors. Your draft and editor view stay in place.