Kirchhoff is annoyed because nobody appreciates his circuit laws! You get transported to his secret lair and won't be able to get out until you show mastery!
| App ID | 801120 |
|---|---|
| App type | Game |
| Developer | Gerd Kortemeyer et al. |
| Publisher | Michigan State University |
| Homepage | https://msu.edu/user/kortemey/kirchhoff.html |
| Release date | 2020-01-01 01:14 UTC |
| Original release | 2018-02-04 08:00 UTC |
| Release state | released |
| Free app | Yes |
| Store page | store.steampowered.com/app/801120 |
| Last store refresh | 3 hours ago |
| # | Executable | Arguments | OS | Description |
|---|---|---|---|---|
| 0 | Kirchhoff.exe | windows | ||
| 1 | KirchhoffsRevenge.app | macos |
No player history yet. This app is now tracked, so data will appear within about ten minutes.
| Playing now | Not polled yet (never) |
|---|---|
| 24-hour peak | |
| All-time peak (tracked) |
All Steam store regions, converted to USD at today's exchange rate, compared with the US price. Lowest is the lowest price SteamRaw has recorded for that region.
Loading regional prices…
| Date | Price | Regular | Discount |
|---|---|---|---|
| 2026-09-11 21:21 UTC | Free | Free |
| DLC | AppID | Release | Price |
|---|---|---|---|
| No DLC known for this app. | |||
| Branch | Build ID | Description | Updated | Password |
|---|---|---|---|---|
| public | 8390701 | 2022-03-17 19:20 UTC |
| Depot | Name | OS | Size | Download | Public manifest | Notes |
|---|---|---|---|---|---|---|
| 801122 | windows | 749.24 MB | 522.49 MB | 4735411927419641202 | ||
| 801123 | macos | 750.26 MB | 522.97 MB | 6103546869496643659 |
A build is one published version of the game's files on a branch. Steam assigns a new build ID every time the developer pushes an update, so this list is the update history of the app. The files inside a build (depot manifests) are only readable with an account that owns the game, which SteamRaw does not have yet, so build contents are not shown.
| Build ID | Branch | Updated | First seen |
|---|---|---|---|
| 8390701 | public | 2022-03-17 19:20 UTC | 3 hours ago |
Every appinfo change SteamRaw has observed, grouped by changelist. Tags, features, languages, builds, depots, prices and any other key Steam publishes. Tracking since 2026-09-11 21:19 UTC.
No changes recorded since SteamRaw first saw this app. Every future PICS change will be listed here.
| Changelist | Apps | Packages | Seen | What changed |
|---|---|---|---|---|
| No changelists recorded for this app yet. | ||||
Professor Kirchhoff made major renovations on his estate. Enjoy greatly improved graphics, better game performance and an overall smoother experience! Here's a full list of improvements: - Improved graphics - Improved game performance - Added resolution and quality settings - Settings can also be changed while playing - More responsive controls - Exterminated bugs
The problems with time-dependent circuits appear to be under control, but we still need to test on more platforms. Also, we will need to add support for Catalina. Please stay tuned for a release during the last week of December. Thank you for your patience!
Just apologies, it takes a little longer to get this done than expected. We had performance problems with the time-dependent currents (capacitors and inductances), which are solved now. We are now six levels away from finishing the game.
Full appinfo as delivered by Steam PICS, changenumber 37437721. Also at /api/app/801120/raw.
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