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Personal replays, timeline & files

How day replays are created, what the timeline shows and the requirements for recording, saving and playback compatibility.

In this article

When a personal replay is created

Delivery is recorded automatically; there is no record button you need to press.

Personal recording starts when delivery begins. It captures the relevant city state, vehicles, routes, movement and confirmed events. Relevant changes during delivery, such as an applied reroute or wait decision, are part of the recorded sequence. The preceding free planning phase is not a separate playable film section.

The recording is finalised and saved in the background only when the day completes normally. The clapperboard appears next to Continue in the day results. While it says “Saving replay …”, it is not ready. “Open replay” becomes available after saving succeeds.

Leaving the game before day completion or interrupting recording does not produce a normal, complete playable day replay. Gameplay and recording are separate: a failure to save the replay does not retroactively remove your day result.

A replay shows recorded history

Change the presentation, not the decisions that were already made.

A replay reconstructs saved movement and state. It does not recalculate a new tour with your current rules every time it plays. Seeking restores the recorded moment, allowing the same halt, corner or incident to be viewed repeatedly.

Reassigning orders, choosing another incident outcome, buying vehicles or resuming a playable run from a past moment are not replay operations. Play another delivery to obtain a different result. A replay is also not a save game that restores a playable run.

Playback uses a shared timeline adapted for filming. Very fast movement from the management game can be stretched, and brief fleet-wide pauses can be made easier to read. The displayed replay duration therefore need not match the time originally spent at your computer. Vehicles, stops and events remain aligned to the same timeline.

Reading the timeline

Every vehicle track shares one clock and one playhead.

ElementMeaning and interaction
Time ruler and playheadShow the shared time. Click or drag the upper ruler to seek; playback pauses.
Vehicle rowOne track per vehicle. Single-click to select it; double-click to bring it into view.
Diamond on a trackA recorded pickup stop. Hover to see its time, vehicle and stop type.
Square on a trackA recorded delivery. Clicking seeks to the exact event.
ColoursConnect tracks and routes to the recorded vehicle colours.
Three symbol columnsVehicle number, road route and house colours. Header switches affect all vehicles; row switches affect one.
Vertical scrollingReaches the remaining tracks when there are more than six vehicles.

Closely spaced stops may occupy almost the same screen position. Repeated clicks cycle through such a marker cluster so individual events remain reachable. Read the detail line to identify the selected event.

A marker identifies the recorded stop event, not automatically the beginning of an attractive approach shot. Seek back slightly and play again. Leave enough lead-in for the camera movement and subject to develop before the main moment.

Precise playback and seeking

Different navigation actions serve different purposes.

ControlEffect
SpaceToggle play and pause. Starting again at the end restarts the replay.
Home / restart symbolSeek to the beginning and immediately start playing.
Left / right arrowSeek one replay second backwards or forwards; hold Shift for five seconds.
−10 / +10 on the control barSeek ten replay seconds backwards or forwards and pause.
+ / −Step through 0.25×, 0.5×, 1×, 2× and 4×.
Speed buttonSelect the next speed; after 4× it cycles back to 0.25×.
Page Up / Page DownSeek to the previous or next relevant event with up to three seconds of lead-in. Prepared scenarios use their shot moments.

Seeking leaves the scene paused. If nothing moves after a click, press Space to continue. Attempts to seek beyond the beginning or end are limited to the available timeline.

Camera speed and playback speed are independent. Camera speed changes how quickly you move your viewpoint. The 0.25× to 4× setting changes the scene’s passage of time. To obtain gentler camera movement, you do not necessarily need to slow the vehicles down.

Files and storage location

Personal replays are local data recordings, not video files.

Completed recordings are saved in “CreatorReplays” inside the local Cargo Tempo data directory. A typical Windows installation uses %USERPROFILE%\AppData\LocalLow\koppwerk\Cargo Tempo\CreatorReplays. Finished files end in .ctreplay. A media player cannot open them as though they were MP4 videos.

Temporary files or folders ending in .recording or .incomplete may exist while recording and finalisation are underway. They are not substitutes for a completed .ctreplay file. Renaming their extension does not repair an interrupted recording or supply missing data.

For a backup, copy the finished file after saving has completed. Do not overwrite your only original during troubleshooting. The current visible interface provides neither a general import/file picker nor a normal entry for browsing all old replays. The existence of a saved file alone therefore does not constitute an offered reopening workflow.

Why an older replay may no longer open

Personal replays require their matching game content and build.

Opening a replay checks the file format, build identity and content. The same visible version number is not always sufficient: a newly created build or changed game resources can also change compatibility. A replay from another installation or an older release is not automatically compatible.

“This replay belongs to another game version.” indicates a compatibility mismatch. Use the original corresponding release if it is still available to you, or make a new recording in the current build. Do not edit metadata to bypass the check.

“The required game data does not match this replay.” indicates missing or mismatched resources. Check that your installation and selected Creator branch are complete. Bundled scenarios are prepared for their particular build; their availability does not imply compatibility with personal files.

Save errors, interruptions and technical limits

A failed replay recording should not stop your game.

MessageMeaning / next action
Could not save the replay. Your day finished normally.The day result remains valid. Check disk space and write access to the local data folder, then try a new short day.
Replay recording stopped. Your game continues.A recording limit or overload was reached. Finish the day normally; try a shorter recording for new material.
This replay is incomplete or damaged.The file, contents or completion data is unreadable or incomplete. Keep the original and use an intact backup or a new recording.

Recording has protective limits, including two hours of recorded duration, two million movement records, 250,000 events and 512 MiB of expanded data. Loading also limits the packed file to 256 MiB. These are technical upper bounds, not a promise that every recording can reach them: a dense fleet may exhaust a data limit sooner than a short single-vehicle day.

The Creator menu has no repair function for incomplete recordings. For a repeatable problem, report the version, time, scenario or day, vehicle count and exact error text.

Game version: October 29, 2026. Content and balance may change during development.