Exploit: Expiration triggers

The Egg Exploit or Expiration trigger exploit enables bringing one or more spell-casts into a "new game". This can be done with Summon Hollow Egg, Dormant Crystal With Trigger, and presumably other spells with an Expiration trigger.

If the game engine doesn't need a restart to start a new run, which can be checked in the new game menu, if the game needs to restart red text saying "The game needs to restart due to mod changes" will be there. This can be resolved by restarting the game normally, then entering a new run. The expiration trigger spells you created in the last run will still have their payload in memory, and can spawn in the new world that loads.

Popular examples include using a payload with Summon Taikasauva, or a payload of eggs containing Infiniwisps or precisely-calibrated long-distance travel warps.

Technically, the expiration trigger spells are placing a payload in memory, and if there are no mod changes then Noita doesn't need to restart, and thus the payload stays in memory. When the new run loads, it sees the parent projectile is gone and triggers.

This led to a 9 second speedrun. There was discussion about how this relates to new and existing categories of speedruns at their forum.

Cast examples

Long-distance travel, stored within an egg, down to the Portal before The Laboratory.

Shuffle

Spells/Cast

Tinker

Summon Taikasauva to spawn new wands into the starting area.

Shuffle

Spells/Cast

Tinker

Gallery

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First known as reported by the Chinese community of Noita players

The revolutionary new egg meta that will change Noita forever - FuryForged

Starting A New Noita Run With Wands?! - DunkOrSlam