Introduced 1 mechanic · Team Fortress 2
Team Fortress 2
Nine silhouettes and, three years later, the crate-and-key economy the industry copied.
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 Team Fortress 2 inherited rather than invented — each traceable back through the ontology to a root.
Descends from
Directly influenced
The Team Fortress series in this dataset
2007
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