An old-school, tough-as nails classic linear 3D platformer with a faithful PS1 cartoony aesthetic. 25 fully original levels, boss fights, collectibles, time-trials, and many secrets.
| App ID | 1696720 |
|---|---|
| App type | Game |
| Developer | bad_vertex |
| Publisher | bad_vertex |
| Release date | 2024-10-02 12:40 UTC |
| Release state | released |
| Controller support | full |
| Store page | store.steampowered.com/app/1696720 |
| Last store refresh | 5 hours ago |
| # | Executable | Arguments | OS | Description |
|---|---|---|---|---|
| 0 | Psilosybil.exe | windows |
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.
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| Date | Price | Regular | Discount |
|---|---|---|---|
| 2026-09-11 22:24 UTC | $12.99 | $12.99 |
| DLC | AppID | Release | Price |
|---|---|---|---|
| No DLC known for this app. | |||
| Branch | Build ID | Description | Updated | Password |
|---|---|---|---|---|
| public | 15887583 | 2024-10-01 10:59 UTC |
| Depot | Name | OS | Size | Download | Public manifest | Notes |
|---|---|---|---|---|---|---|
| 1696721 | 214.57 MB | 93.29 MB | 4150750451702737973 |
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 |
|---|---|---|---|
| 15887583 | public | 2024-10-01 10:59 UTC | 5 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 22:24 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. | ||||
Truffle Traffic - Fixed Raphael dialogue after freeing. Ground Meat - Moved one token and added an obstacle. Crystal Hollow, Gruesome Grotto, Dark Chocolate - Changed lighting to improve visibility.
Quick bugfixes and improvements. Thanks to everyone that came together to snipe glitches. Gamepad - It is now possible to override the button prompts to always display keyboard, Dualshock or XInput buttons from the settings menu. You can also select "auto" to continue to use the automatic input device detection. Ground Meat - Invisible walls touchups. - SFX to rideable maggot. - Dust FX and controller vibration when rushing in the riding section. - Fix: prevent face-plant animation from placing Sybil underneath the ground. - Fix: flicker in scenery. Nuclear Winter - Fix: the requirement in the
It was a grueling process, but PsiloSybil development is finally over: update 1.0.1, with the final level Ground Meat, bringing the total to 25 fully playable and unique levels, is here. Ground Meat is a rather macabre level set in decomposing carcasses under the forest floor. It has a sidescrolling section and, a PsiloSybil first, a mascot riding section! Yes, believe your eyes ball, we have the riding section. The level is long, but on the easier side. The NPC mushroom is... well, you should see for yourselves. I have cancer. This is obviously a pressing matter and I really want that when it
Citrus Falls - Fixed a spot where Sybil could get stuck and vvVViiIIbbbRRrraAAaatTTEee Close Encounters - Bugfix: cows would freeze in air after squashing Sybil - Changed particles when breaking alien barriers Cliffhanger - Asset redo: bouncy tree things Wizard Giza - Some asset improvements (LODs) Cliffhanger, Stone Cold, Hell's Bells (and new level alpha) - New logic for handling 2d sidescrolling section. Should prevent many glitches of the bonking-head-on-colliders-in-the-spirit-plane sort. It also helps align Sybil to the plane of motion if you happen to be drifting a bit off-plane with yo
Overworld - Minor geometry fixes. New level alpha - Fixes and further asset work.
Overworld - slight changes. Citrus Falls - Fix for visual bugs involving the drifting logs Roach Motel, the Tower - Changes to the live wires model New level alpha - Some changes
Generic - Fixes to Sybil's respawn animation New level (cheat-only alpha) - Many changes
Generic - Fixed sporadic bug with stopping cycles upon death - Fixed animation error in skin select menu - Performance improvements New level - A new level in very early alpha state is accessible through cheats.
Gameplay - Killed enemies now play an animation (slapped away or bounced on). The trajectory makes a rough attempt to avoid obstacles. This is not yet implemented for a few enemies in the game for which there are some technical complications. The yellow boarcerers in Wizard Giza now become fully visible when killed. - Rehaul of the input and gameplay controller systems for Sybil. Cleanup of the logic for disabling inputs. It is hoped this will take care of rare input bugs. - Active cycle timers will now instantly halt when Sybil dies, avoiding situations in which enemies or platforms pass righ
Time to celebrate! Well not yet as it's not official, but it's here. It's finished! Patch notes for version 1.0.0: Steam Integration - automatic Steam Cloud syncing of savefiles and time trial ghost files. Platformer Level - fixed some visual glitches with the coloured platforms Secrets - haha! Nothing to see here!
Intro Cutscene - Preliminary version of the intro cutscene. This cutscene is played on both full and demo editions whenever the "Play" option is selected in a savefile where Undergrowth Burbs has not been cleared. The cutscene leads directly to Undergrowth Burbs
Cliffhanger - changes to cliff texturing Roach Motel - patched up some ugliness during a camera transition P.E.A.R.L. - Improved glitchy appearance of screen glow when the robotic arm is too close to it
Generic - Fixed graphical glitches with the average blending shader Overworld - Added a tiny island for Platformer Level Boarsailles - Minor visual change P.E.A.R.L. - Bugfix: it was possible to jump out of bounds Hell's Bells - Visual rehaul (retexturing and re-lighting)
Mystic Castle - bugfix: z-fighting texture in last section. Truffle Traffic - bugfix: boar propellers were not properly affected by fog Citrus Falls - fixed several texturing errors Stone Cold, Hell's Bells - retractible platform redesigned. No gameplay changes. Close Encounters - bugfix: it was possible to jump over the chasing eyeballs. Wizard Giza - fixed gap in geometry at start of chase. - optimized graphics in intro scene. Audio -added option to control UI sfx volume.
Secrets - New secrets including a super hidden super difficult boss! - New "InviSybil" skin - New achievement "Crab Rave"
Full appinfo as delivered by Steam PICS, changenumber 37520068. Also at /api/app/1696720/raw.
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