Source-researched game guide · Checked 2026-09-29
The best thing about browser horror is the tiny commitment: open a tab, decide whether the game’s particular kind of unease works for you, and leave when it does not. That does not mean every browser game feels alike. A fake desktop mystery asks you to investigate. A survey can unsettle you in minutes. A cycling game makes the trip home feel progressively less familiar.
These six itch.io games currently offer an HTML5 version. Choose by the kind of interaction you want rather than treating “horror” as one mood. The descriptions below are based on the creators’ pages, checked on September 29, 2026; this is a source-researched selection, not a claim that we played or scored every build.
| If you want… | Try | What to know first |
|---|---|---|
| A longer computer mystery | Last Seen Online | Creator lists roughly an hour; disturbing material warning |
| A mouse-led haunted-house puzzle | Blackout by FRESH | A desktop build is available if the browser build misbehaves |
| A very brief interactive spectacle | Exhibit of Sorrows | Circus imagery is central to the discomfort |
| A short, personal-feeling scare | Please Answer Carefully | Stalking is the premise |
| A puzzle presented as a livestream | FeedVid Live | Creator flags distressing themes |
| A familiar journey turning strange | Burger & Frights | Keyboard and mouse; fullscreen is recommended |
Last Seen Online — investigate a computer that should be left alone
Last Seen Online builds its mystery around files and traces on a computer. It is the pick for someone who wants to read, inspect and piece things together rather than react to quick combat. The creator calls it a psychological horror escape-room game and lists an average session of about an hour, making it a bigger evening commitment than most games here.
The page warns that the material may be unsuitable for children or easily disturbed players. Start here if interface-driven clues appeal to you; pick a shorter entry below if you want to know within five minutes whether the mood works.
Blackout — a point-and-click house with an escape-room feel
Blackout by FRESH places its mystery in a dark house and uses point-and-click interaction. That makes it an easier choice for a mouse-first player than a game built around movement keys. The creator lists both an HTML5 version and desktop downloads and suggests the native version if the browser version has trouble. This is the FRESH game, distinct from the September 2026 Windows-only Blackout by carmonalpha.
Its appeal is the steady question of what each room and object can tell you. If you prefer a clean, bite-sized premise over a larger environment, the survey or exhibit games below are simpler first stops.
Exhibit of Sorrows — let the exhibits do the work
Exhibit of Sorrows is an interactive clown-and-circus exhibit that turns curiosity into discomfort. It runs in the browser, uses the mouse, and the creator lists an average session of only a few minutes. This is the shortest way into this list if you like horror built from one strong visual idea.
The circus setting is the point, so someone who dislikes clown imagery should choose another entry. If you want a mystery you can linger over, Last Seen Online has a more investigative shape.
Please Answer Carefully — horror hidden in a survey
Please Answer Carefully asks you to answer questions, then makes the ordinary survey format feel unsafe. It is browser-playable and short. The stalking theme is worth knowing before you open it: its effect depends on that personal, invasive premise rather than on a large world to explore.
Choose this if you enjoy how a game can change the meaning of a familiar screen. Choose Burger & Frights if you would rather move through a place than read an interface.
FeedVid Live — look closely at the stream
FeedVid Live frames its puzzle around a livestream. The creator estimates about 15–30 minutes and provides an HTML5 build alongside other platforms. It is a better fit for a player who wants an active puzzle than a purely atmospheric vignette.
Read the creator’s content notes before playing. They include stalking, guns, mental distress and non-graphic mutilation. Those details are more useful for choosing a game than an arbitrary “scare level” we cannot verify.
Burger & Frights — the ride home stops making sense
Burger & Frights starts with a cycle ride and lets the route become increasingly unsettling. The HTML5 version uses keyboard and mouse; the creator recommends fullscreen. Its appeal is repetition and the suspicion that the same trip is no longer the same trip.
This is the movement-driven choice in the group. If you need mouse-only controls, start with Blackout or Exhibit of Sorrows instead. The creator does not give a precise playtime on the page we checked, so plan for a short horror session without treating any minute count as a promise.
Which one should you open first?
For a few minutes, choose Exhibit of Sorrows or Please Answer Carefully. For a clue-focused evening, choose Last Seen Online. For mouse-led exploration, try Blackout by FRESH. For a more active puzzle, pick FeedVid Live; for movement and mounting unease, pick Burger & Frights. Browser availability and content notes can change, so the linked creator pages are the final check before you play.
For a gentler overlap of eerie and comforting moods, our cozy horror guide takes a different route.