Video Game of the Year fails seizure safety guidelines test

game developers choice logoThe Game Developers Choice Game of the Year Award was given yesterday to Middle-earth: Shadow of Mordor, a title containing scenes that can provoke epileptic seizures. The game’s visual sequences violate guidelines for reducing the risk of seizures provoked by flashing and/or other provocative visual stimuli.

Game Developers Choice Awards are voted on by an invitation-only group of leading game creators across the video game industry, and are presented at the annual Game Developers Conference, an event that attracts more than 20,000 attendees. Here are some excerpts from the conference website describing the Game Developers Choice Awards:

  • the premier accolades for peer recognition in the digital games industry
  • innovation and excellence in the art of making games
  • recognize and celebrate the creativity, artistry and technical genius of the finest developers and games created in the last year

You get the idea. Consumer safety and inclusiveness, though, are apparently–no surprise–absent from the selection criteria.

So what?

You may have heard that photosensitive epilepsy, the condition causing vulnerability to visually provoked seizures, is very rare. It’s more common than studies have shown, and many cases go unreported. Seizures can be very subtle events that don’t draw attention, meaning that the individual and anyone with that person may have no idea a seizure has happened. Whether or not a seizure is an obvious event, it can bring on a range of disabling physical and cognitive after-effects as well as mood changes.

Even though video games routinely carry seizure warnings, only some of them contain images that could provoke seizures. Unfortunately, consumers have no way of knowing which games have these images. So I have been testing popular games with an application designed to identify image sequences with a high likelihood of provoking seizures in people with photosensitive epilepsy.

Hearthstone: Heroes of Warcraft is the the only nominee for the Developers Choice Best Game Award that passed the seizure safety test. It's a digital version of a trading cards-based strategy game.

Hearthstone: Heroes of Warcraft, the only Game of the Year Award nominee that passed the seizure safety test, is a digital version of a trading cards-based strategy game.

Contenders for Game of the Year 

The winning game was chosen from a field of five nominees, only one of which–Hearthstone: Heroes of Warcraft (Blizzard)–tested as seizure-safe didn’t fail the seizure detection test in the sequences I tested.***Please note that while my testing didn’t find unsafe sequences in Hearthstone, a Reddit poster had seizures triggered by the game. I’ve previously posted on the other three nominated games that tested as unsafe:

Bayonetta 2 (Platinum Games/Nintendo)
Destiny (Bungie/Activision)
Alien: Isolation (Creative Assembly/Sega)

Testing methodology 

I run downloaded gameplay clips, cinematic clips, and promotional trailers for each game and submitted the sequences to the Harding Flash and Pattern Analyzer. The FPA is widely used by producers and networks in the UK—including by the BBC—to reduce the hazard of seizures from all material on broadcast TV. It examines video sequences for very specific and measurable image qualities that researchers have found can trigger seizures:

  • rapidly alternating light and dark images (flash/flicker)
  • certain stripes and geometric patterns with high contrast
  • large areas of very bright (“saturated”) red
  • problem images take up more than one quarter of the screen

If the first clip I test of a game fails the safety guidelines test, I note that and move on to test the next game. I typically test at least 4 or 5 additional clips of a game if no guidelines violations are found initially. If I have a high level of suspicion due to the game genre and/or overall look of the sequences that there might be unsafe “footage” that I haven’t yet found, I may test a lot more clips.

I work with video clips available online, some of which are official marketing and gameplay trailers; others are cutscenes and gameplay sessions posted by reviewers or fans. I avoid clips showing games that have been modified with other software.


Your results could vary. Games that I report to be compliant with seizure reduction guidelines could have seizure-provoking sequences that I was unable to locate. The seizure reduction guidelines are designed to eliminate seizures in 97 percent (not 100) of inividuals with photosensitive epilepsy.

In addition, the seizure threshold of individuals is affected by a number of factors including illness, hunger, stress, fatigue, length of play, and the player’s menstrual cycle, among others. So a game that seems OK for a given individual may trigger a seizure in that same person under different conditions.

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