PCGamesN estimated around one hour for the 2024 Athanasia demo. The collected sources do not establish a reliable main-story or completionist average for Early Access or the full campaign. Treat that one-hour figure as a dated demo estimate, rather than the answer for every version of the game.
Coverage: Historical demo estimate and official content plans; no verified campaign completion average.

Where the one-hour demo estimate comes from
PCGamesN’s April 16, 2024 coverage states that the demo should provide around an hour of play. The figure is a press estimate attached to that release context. It is not presented as a study of completed runs across different players.
That makes it a useful historical reference when the question is specifically about the 2024 demo. It should be quoted with the version and publication date attached. Removing those details would make the estimate appear broader and more current than its source supports.
Separate demo, Early Access, and complete campaign
Alpha Beta Gamer independently identifies its May 2024 coverage as an alpha-demo preview. The official Early Access explanation describes a different scope: three initial areas, with six planned for the complete version. The September 2, 2026 announcement likewise describes the initial release as the first half of the planned game.
Those sources help establish that the demo and campaign plans are not the same amount of content. They do not establish how long any individual area takes to complete. A content boundary and an elapsed-time measurement answer different questions.
Why area counts cannot be converted into hours
The official material supplies planned area counts and a statement about the first half of the game. It supplies no corresponding hours-to-finish estimate. There is therefore no supported conversion from those plans to a main-story runtime.
Doubling a demo estimate would introduce assumptions about the relationship between its content and the campaign. Multiplying by the number of planned areas would introduce another unsupported relationship. Keep the area counts as content-scope information and leave the campaign average unassigned.
What recent recording durations actually tell you
The collected metadata identifies a September 25, 2026 demo recording lasting 55 minutes and 33 seconds. A second recording, published September 27, lasts one hour, 52 minutes, and 20 seconds. These figures describe the uploaded recordings, not measured campaign completion times.
The collection did not verify a completion timestamp in either video. Recording lengths alone do not identify how much of the available content was completed. They can be retained as viewing context without being turned into an average or a recommended session length.
Main-story and completionist labels need their own evidence
The historical press estimate does not establish separate main-story and completionist categories. The official store description does not provide those categories with measured times either. Assigning numbers to both would go beyond the available material.
Keep the kind of run attached to any future time estimate. A measurement needs to identify the content actually completed before it can answer a particular player’s question. Until that evidence is available, the source-supported figure on this page remains the dated demo estimate.
Development timing is not playing time
The official announcement discusses when Early Access is planned and explains that remaining development continues afterward. That statement concerns the production schedule. It does not describe the number of hours a player spends in the available campaign.
The same distinction applies to discussion of how long a game remains in Early Access. A development period cannot be used as a completion-time benchmark. For the playtime question, look for an explicitly described finished run rather than a release or development date.
Use the estimate within its actual limits
If you are asking about the historical demo, around an hour is the estimate that was published in the collected coverage. If you are asking about a later campaign, that figure does not settle the question. The difference is the version and content scope the source actually measured or described.
Use the walkthrough for the documented opening-demo approach and the guide for systems preparation. Neither page claims a complete campaign timing benchmark. The useful answer here is a clearly attributed demo estimate with no invented full-game total.
Sources and version context
- PCGamesN: Steam demo coverageWill Nelson, April 16, 2024. Includes a historical demo-length estimate.
- Alpha Beta Gamer: alpha demo previewCalum Fraser, May 2, 2024. Historical demo impressions.
- Official Steam game overviewDeveloper-supplied overview and Early Access plans; checked October 16, 2026.
- Steam: official Early Access announcementLatest announcement retrieved during the October 16, 2026 research: September 2 release-plan post.
- Nuwanda: recent demo recordingSeptember 25, 2026; recording duration 55:33. No completion time or transcript was verified.
- NivPlaysIndieGames: recent demo recordingSeptember 27, 2026; recording duration 1:52:20. Recording length is not a campaign benchmark.