Nullius Optional Research

Allows all existing Nullius checkpoint technologies to be completed through either their original objectives or conventional science-pack research.

Features
- Keep the original checkpoint objectives and automatic completion.
- Research the same technologies through ordinary laboratories.
- No additional or duplicate technologies.
- Configurable research-cost multiplier.
- Supports Factorio 2.0 and 2.1.
- Designed to work with existing Nullius saves.

Note: Native research triggers that cannot support both completion methods are converted to ordinary research.

Requires Nullius.