Half-Life 2 Motion Sickness: Why It Happens & What Helps
Half-Life 2 has been making players motion sick since 2004: it's the canonical case, complete with level-specific searches for the airboat and water sections. Two decades later Valve finally addressed it: the free 20th Anniversary Update added an expanded field-of-view slider to the video settings, transforming the game's comfort ceiling.
The quick fix: Turn off motion blur in Half-Life 2: Options > Video > Motion blur.
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PC · first-person · Has comfort settings · Player-reported motion-sickness risk: one of the most commonly reported triggers in gaming.
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Risk levels summarise what passengers and riders commonly report, not measured testing.
Key facts
- Half-Life 2 runs on PC.
- The camera is first-person.
- Player reports place it in the high band for motion sickness.
- The game ships a full set of comfort settings.
- It sits at number 18 in our ranking of the 20 games players report most for motion sickness.
Why Half-Life 2 can trigger motion sickness
The game historically shipped with a field of view around 75, noticeably narrower than the ~90 typical of PC shooters, and its long vehicle sections (the airboat chapters are the commonly reported worst) combine fast motion, bouncing suspension, and water glare. The 2024 Anniversary Update's FOV slider plus ultrawide support removes the biggest trigger; the vehicle sections remain intense by design.
- Historically narrow ~75 FOV (fixed by the Anniversary Update slider)
- Airboat and buggy chapters: bouncing vehicle cameras over water and terrain
- Head bob during long walking sections
- Fast strafing combat in tight corridors
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Comfort settings in Half-Life 2
Half-Life 2 ships a full set of comfort settings.
| Setting | Where | Recommendation |
|---|---|---|
| Field of View | Options > Video (20th Anniversary Update) | Raise from default toward 90-100 |
| Motion blur | Options > Video | Off |
| Mouse sensitivity | Options > Keyboard/Mouse | Lower for smoother turns |
How do I change the field of view in Half-Life 2?
In Half-Life 2, the Field of View setting is in Options > Video (20th Anniversary Update). Raise it from default toward 90-100.
How do I turn off motion blur in Half-Life 2?
In Half-Life 2, open Options > Video and set Motion blur to Off.
Where is the mouse sensitivity setting in Half-Life 2?
In Half-Life 2, the Mouse sensitivity setting is in Options > Keyboard/Mouse. Lower it for smoother turns.
One guide explains these settings for every game: how field of view, motion blur, head bob and camera shake trigger motion sickness.
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Settings or an app: which one do you need?
In-game settings
Field of view, camera shake and motion blur fix the cause on screen, where the game offers them.
Dizzout
Sound therapy through any headphones, for when the nausea has already started. Eyes open or closed, on any phone, with relief in about 90 seconds.
What helps beyond the settings
- Save before vehicle chapters and take them in short stints
- Fix your eyes on the horizon during airboat runs, not the water surface
- Break at chapter transitions rather than pushing through
- A sound-therapy app like Dizzout is designed to help once symptoms start: headphones are already on
The fixes people reach for once they step away from the screen are covered separately, with the trials attached: the remedy verdicts.
Frequently asked questions
Why is Half-Life 2 famous for motion sickness?
It shipped in 2004 with a field of view around 75, well below the ~90 PC norm, and its signature vehicle chapters bounce the camera over water and terrain for long stretches. The airboat section is so commonly reported that it has its own search traffic. It became the canonical 'game that made me sick' of PC gaming.
Did Valve fix Half-Life 2 motion sickness?
The free 20th Anniversary Update (November 2024) added an expanded FOV slider and ultrawide support to the video settings, addressing the narrow field of view that drove most complaints for twenty years. Raise it toward 90-100. The vehicle sections stay intense by design, so take those in shorter stints.
How do I get through the airboat section if it makes me sick?
Raise the FOV first, then treat the chapter like a boat trip: eyes toward the horizon rather than the churning water, short stints with saves between them, and stop at the first queasy signal rather than pushing through to the next chapter.
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Other game motion-sickness guides
Sources & further reading
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Based on publicly reported player experiences and each game's documented settings, as of July 2026. Settings menus change with updates, so check your version. Game names are trademarks of their respective owners; Dizzout is not affiliated with or endorsed by them. Motion-sickness sensitivity varies by person, so this is informational, not a game review or a substitute for a doctor's advice.