
Bell Jar
Description
There's a plant under a bell jar on the desk, and it cannot do anything for itself. Water, oxygen, temperature, poison, pests - it needs all of them held at once, and almost every way of fixing one makes another worse. You work three stations and swivel between them:
Center the hatch lever and the heater dial. Opening the hatch is the only way light gets in, and light is the only way the plant grows. It also lets heat in, drains water faster, and lets pests find their way to the glass.
Left the water bench. Hold the valve to fill toward the line the plant's thirst has set, then dose the drops before the window closes. Overfill and you've poisoned the soil you were trying to save.
Right the gas mix. The needle carries momentum, so you're anticipating and counter-braking rather than reacting. Hold it in the band long enough and you lock in a stretch of clean air. Purge the poison instead and you pay for it in oxygen.
The plant only grows in daylight, with the hatch open, with every single need in the green. Miss one and it doesn't just stall - a failed need drags everything else down faster with it. You can always claw a run back, but it costs you days, and the deadline doesn't move.
Bloom before it runs out. Or find out which one of them killed it.
Controls
- Mouse : hover anything on the desk to read what it does, left-click and hold to work it.
- A / D : swivel left and right between the three stations
- Esc : pause
Notes
- Play with sound on if you can. Every need has its own alarm, so once you know them you can hear a problem starting behind you while you're looking at something else.
- A run is short. Losing your first one is basically part of it - the end screen tells you what went wrong.
- Made for GMTK Game Jam 2026.
| Published | 4 days ago |
| Status | Released |
| Platforms | HTML5, Windows |
| Author | ghostpy |
| Genre | Simulation |
| Tags | 3D, Atmospheric, Management, Singleplayer, Unity |
| AI Disclosure | AI Assisted, Code |





Comments
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fun game but it is VERY hard.