Introduced 1 mechanic · Portal 1
Portal
Two surfaces become one, so space itself is the puzzle object.
Mechanics this game introduced
These are recorded as first appearing here. Each links to a full history of where the idea went next.
Mechanics it built on
Ideas Portal inherited rather than invented — each traceable back through the ontology to a root.
Descends from
The Portal series in this dataset
2007
Portal this page
2011
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