Sources:
- Attention deficit hyperactivity disorder (ADHD) – Symptoms – NHS (www.nhs.uk)
- Primary Source & Testimony from Personal Experience.
Games:
- Sega (2017) Endless Space 2. [Digital Download]. macOS, Microsoft Windows. Paris: Amplitude Studios.
- Paradox Interactive (2016) Stellaris. [Digital Download]. Microsoft Windows, Linux, macOS, PlayStation 4 & Xbox One. Stockholm: Paradox Development Studio.
- The Tetris Company (1996) Tetris. [Cartridge, Digital Download, Disk]. Elektronika 60, et al. Honolulu: Alexei Pajitnov, et al.
- Weird Beard (2016) Tricky Towers. [Digital Download]. PlayStation 4, Nintendo Switch, Microsoft Windows, Linux, Macintosh operating systems, Xbox One. Amsterdam: Weird Beard.
- Wizards of the Coast (2008) Diplomacy. [Board Game]. Board Games. United States: Allan B. Calhammer.
- Devolver Digital (2016) Reigns. [Digital Download]. Android, iOS, Linux, macOS, Microsoft Windows. London: Nerial Limited.