Blood Money - Official TF2 Wiki
How Much I've Spent in TF2!
From An Orange Box To A Crate Of Hats – Team Fortress 2's Best Updates - Game Informer
Wot I Think: CS GO - Operation Vanguard
The Impact of Team Fortress 2 on game design
Steam might not like NFTs, but it laid the groundwork for them
Valve's Steam Community Market could change how we pay for - and play - video games
A use for crates? [Fixed] : r/tf2
3 Ways to Get Free Items in Team Fortress 2 - wikiHow
For Those New to SPUF (NSFW) – Aabicus Archives
Best Practices for Multi-Location Inventory Management
Loot box - Wikipedia