# Day of Defeat: Source

> 2005 video game by Valve Corporation

**Wikidata**: [Q1045397](https://www.wikidata.org/wiki/Q1045397)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Day_of_Defeat:_Source)  
**Source**: https://4ort.xyz/entity/day-of-defeat-source

## Summary
*Day of Defeat: Source* is a 2005 first-person shooter video game developed by Valve Corporation, serving as a sequel to the original *Day of Defeat*. It was released for Windows, macOS, and Linux, featuring multiplayer combat with up to 32 players. The game is notable for its Valve Anti-Cheat system and was rated Mature 17+ by the ESRB and PEGI 16.

## Key Facts
- Developed by Valve Corporation, an American video game company founded in 1996.
- Released on September 26, 2005, for Windows, with macOS and Linux versions following in 2010 and 2013, respectively.
- Genre: First-person shooter, multiplayer video game.
- Uses Valve Anti-Cheat to prevent cheating.
- Rated Mature 17+ by the ESRB and PEGI 16 for violence.
- Supports up to 32 players in multiplayer mode.
- Available on Steam and distributed by Electronic Arts.
- Composer: Mike Morasky.
- Steam application ID: 300 (for Windows, macOS, and Linux).

## FAQs
### Q: What platforms is *Day of Defeat: Source* available on?
A: *Day of Defeat: Source* is available on Windows, macOS, and Linux.

### Q: Is *Day of Defeat: Source* multiplayer-only?
A: Yes, *Day of Defeat: Source* is a multiplayer-focused first-person shooter with support for up to 32 players.

### Q: What is the ESRB rating for *Day of Defeat: Source*?
A: The ESRB rated *Day of Defeat: Source* Mature 17+.

### Q: Who developed *Day of Defeat: Source*?
A: *Day of Defeat: Source* was developed by Valve Corporation.

### Q: What anti-cheat system does *Day of Defeat: Source* use?
A: *Day of Defeat: Source* uses Valve Anti-Cheat to prevent cheating.

## Why It Matters
*Day of Defeat: Source* is significant as a sequel to the original *Day of Defeat*, refining the multiplayer combat experience with improved graphics, physics, and networking. Its release marked a continuation of Valve’s focus on competitive multiplayer gaming, contributing to the evolution of first-person shooter mechanics. The game’s cross-platform support and anti-cheat system set a standard for online play in its era. Its legacy endures as a foundational title in the history of Valve’s multiplayer offerings.

## Notable For
- First major update to *Day of Defeat*, introducing enhanced graphics and physics.
- One of the first Valve games to support Linux officially.
- Implemented Valve Anti-Cheat, a precursor to VAC’s widespread use in other titles.
- Featured in the early development of esports, with competitive multiplayer play.
- Available on multiple platforms, including Windows, macOS, and Linux.

## Body
### Development and Release
*Day of Defeat: Source* was developed by Valve Corporation, the same company behind *Half-Life 2* and *Counter-Strike*. It was released on September 26, 2005, for Windows, with macOS and Linux versions following in 2010 and 2013, respectively. The game was distributed by Electronic Arts and is available on Steam.

### Gameplay and Features
*Day of Defeat: Source* is a first-person shooter focused on multiplayer combat, supporting up to 32 players. It features improved graphics, physics, and networking compared to the original *Day of Defeat*. The game uses Valve Anti-Cheat to prevent cheating, a system that became a hallmark of Valve’s online play.

### Ratings and Reception
The game received a Metacritic score of 80/100 for Windows. It was rated Mature 17+ by the ESRB and PEGI 16 for violence. The game’s soundtrack was composed by Mike Morasky.

### Technical Specifications
*Day of Defeat: Source* has a storage capacity of 3.84 GB. It is compatible with Linux, macOS, and Windows. The game’s Steam application ID is 300 for all platforms.

### Legacy and Influence
*Day of Defeat: Source* is notable for its role in the early development of esports and its cross-platform support. It remains a foundational title in Valve’s multiplayer gaming history.

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## References

1. AreWeAntiCheatYet
2. Steam
3. Freebase Data Dumps. 2013
4. [Day of Defeat Source – Search Results](http://www.esrb.org/ratings/search.jsp?titleOrPublisher=Day+of+Defeat+Source&rating=&ratingsCriteria=&platforms=&platformsCriteria=&searchVersion=compact&content=&searchType=title&contentCriteria=&newSearch.x=0&newSearch.y=0)
5. [Szukaj gier – Day of Defeat: Source](http://www.pegi.info/pl/index/global_id/505/?searchString=Day+of+Defeat+Source)
6. Quora
7. GameSpot
8. [PCGamingWiki](https://www.pcgamingwiki.com/wiki/Day_of_Defeat:_Source)
9. Q124398839
10. [Source](https://github.com/AreWeAntiCheatYet/AreWeAntiCheatYet/blob/master/games.json)
11. GOG Dreamlist
12. VGChartz