Release of Half-Life: Decay

Half-Life: Decay is a multiplayer-only expansion pack for Valve's first-person shooter Half-Life. Developed by Gearbox Software and published by Sierra On-Line, Decay was released as part of the PlayStation 2 version of Half-Life in 2001.

Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)

Which happened first?

• Release of Half-Life: Decay and Release of Tropico happened in the same year
• Release of Half-Life: Decay and Release of Super Smash Bros. Melee happened in the same year
• Release of Half-Life: Decay and Release of Ico happened in the same year
• Release of Half-Life: Decay and Release of Grand Theft Auto III happened in the same year
• Release of Half-Life: Decay and Release of Oni happened in the same year

Timeline

1. Release of Grand Theft Auto IIIOctober 23, 2001
2. Release of Half-Life: Decay (this page)November 14, 2001
3. Release of IcoSeptember 25, 2001
4. Release of OniJanuary 26, 2001
5. Release of Super Smash Bros. MeleeNovember 24, 2001
6. Release of TropicoApril 21, 2001

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• Release of RobloxAugust 27, 2006
• Release of Grand Theft Auto: Vice CityOctober 29, 2002
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• Release of Team Fortress 2October 10, 2007
• Release of League of LegendsOctober 27, 2009
• Release of The Elder Scrolls V: SkyrimNovember 11, 2011