Groups comparison

Open solutions - 1984 to 2017
There are no set or strictly required solutions to key challenges; it is intended that players will make up their own.

Systems-driven - 1992 to 2017
Most of the gameplay is driven by multitude of interacting systems, such as physics, flammability, morale, conductivity, friction, simulated social relations, and so forth that work everywhere instead of specially scripted sequences.

opensolutions
systemsdriven
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