Certain Events can only occur on your world when you are playing on Expert Mode.

Worldkiller Asteroids have their own dedicated page, since they are not like other events.

This list is regarded as incomplete. Readers are encouraged to add more details/events below.

Solar Winds[edit | edit source]

A massive increase in solar activity has resulted in significantly stronger solar winds heading toward [world]. Already have begun stripping away the upper layers of the atmosphere.

Effect: Permanent pressure decrease per minute of around -50 pa.

Solar Activity[edit | edit source]

A massive increase in solar activity has resulted in spiking temperatures all across [world]! We hope the effects will die down eventually, but for now we'll just have to accept this.

Effect: Permanent Temperature increase per minute.

Fissure Vents[edit | edit source]

A massive fissure vent has opened on the surface of [world]! It is spilling heat onto the surface, and our engineers have no way to close it anytime soon.

Effect: Permanent Temperature increase per minute.

A massive fissure vent˚ has opened on the surface of [world]! It is spilling toxic gasses into the atmosphere and diluting the oxygen content significantly.

Effect: Permanent Oxygen decrease per minute.

A massive fissure vent has opened on the surface of [world]! It is spilling toxic gasses into the air and thickening our atmosphere significantly.

Effect: Permanent pressure increase per minute.

You cannot block fissure vents by flooding them with water[1]. Fission events can occur on geologically inactive worlds like Mars.

Volcano[edit | edit source]

It is suspected to occur on Io and Ragnarok, even in Normal mode.

References[edit | edit source]

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