MercurySteam
Mercury Steam Entertainment S.L., doing business as MercurySteam, is a Spanish video game developer based in San Sebastián de los Reyes, Madrid, Spain. The company makes titles for the major platforms, including PC, Xbox 360 and PlayStation 3. The company was founded by former members of Rebel Act Studios, who previously developed ' in 2001. Dave Cox is a producer at Konami who has helped out MercurySteam during the ' trilogy.
In 2015, Nintendo Life reported that MercurySteam had worked on a Metroid prototype for Wii U and 3DS, that was later turned down and possibly retrofitted into a different project. It was later revealed that they had pitched for a remake of Metroid Fusion. This pitch was rejected, but because series creator Yoshio Sakamoto was impressed by the pitch and the team's love of Metroid, they were hired to collaborate on instead.
Games developed
| Title | Platform | Publisher | Notes | |
| 2004 | American McGee presents: Scrapland | Microsoft Windows, Xbox | Enlight Software | |
| 2006 | Zombies | Nokia 6680, Nokia N70 | MercurySteam | |
| 2007 | Clive Barker's Jericho | Microsoft Windows, PlayStation 3, Xbox 360 | Codemasters | Co-developed with Alchemic Productions |
| 2010 | ' | Microsoft Windows, PlayStation 3, Xbox 360 | Konami | Co-developed with Kojima Productions |
| 2013 | ' | Nintendo 3DS, Microsoft Windows, PlayStation 3, Xbox 360 | Konami | |
| 2014 | ' | Microsoft Windows, PlayStation 3, Xbox 360 | Konami | |
| 2017 | ' | Nintendo 3DS | Nintendo | Co-developed with Nintendo EPD |
| 2017 | Spacelords | Microsoft Windows, PlayStation 4, Xbox One | MercurySteam |