Tripwick Hollow: The Last Lantern
Free · play online in your browser, no download
The last Lamplighter against pumpkin hordes, restless ghosts and the risen dead, before the thirteenth bell tolls.
Official site arcade.tripgeo.com, verified Nov 3, 2026. Linked from the developer's own Reddit post and from the description of the trailer on the TripGeo YouTube channel; the developer posts TripGeo's games and runs the r/TripGeo community.
Where to play
Every platform this game is on. Links are checked against official sources; we never host or mirror games.
- Play free — official siteBrowserReleasedFree
Runs in a desktop or mobile browser. No download.
Browser (no download) · Mobile · Official link verified Nov 3, 2026.
About Tripwick Hollow: The Last Lantern
A gothic Halloween horde-survival game in the browser. On All Hallows' Eve the Great Lantern goes out, and you are the last Lamplighter in a town whose lanterns have all gone dark while fog, crawling pumpkins and the dead close in. You aim and shoot twin-stick style while relics such as orbiting candles, holy water, crows and scythes fight alongside you; level-ups offer a choice of three cards, relics can evolve into stronger versions in coffins, and Old Shillings buy upgrades at the Lamplighter's Lodge. There are nine haunted districts, from the pumpkin fields and St. Morrow's churchyard to the asylum, the flooded wharf, the catacombs, the Clock Tower and Tripwick Manor, each with a boss, plus the Iron Effigy you can call down and a proper ending; three characters unlock as you progress. The developer, who runs the TripGeo browser-game site, says they made the design, Claude Code wrote nearly all of the code and ChatGPT made the images, and that Opus and Sonnet 5.5 got it to a playable state in three days; the developer names Tesla vs Lovecraft and Vampire Survivors as inspirations. Free in the browser on the TripGeo Arcade, with mouse and keyboard, a controller or, as of November 2026, touch controls on phones and tablets held sideways.
How it was built
Partially verifiedIn a post on r/aigamedev titled “Tripwick Hollow – a Halloween horde-survival game built with Claude Code (Opus 5.5 / Sonnet 5.5) and ChatGPT images” (6 Oct 2026, UTC) the developer writes: “I made the design, Claude Code wrote nearly all of the code, and ChatGPT made the images. Claude also helped with testing and the trailer.” The developer adds that they then spent a couple of days polishing, for example a real ending and clock faces that show 13 hours, and that “Opus/Sonnet 5.5 got this to a playable state in 3 days - on earlier projects it took me weeks or months.” ChatGPT is named only for the images.
- DeveloperIn a later post (17 Oct 2026) about another TripGeo game, Hog Noon, the same account writes “Of everything I've done with Claude Code, making the videos for my game has been the most fun by a mile.” — Reddit (u/Medium_Aspect_8784)
Designed by the developer, coded almost entirely by Claude Code with Claude Opus 5.5 and Sonnet 5.5, with images made in ChatGPT; per the developer it was playable after three days and then polished for a couple of days more. Claude also helped with testing and made the trailer. The game page is a .NET Blazor web app (observed: it loads Blazor's framework scripts and shows Blazor's server reconnection messages), so part of the game logic may run on TripGeo's server, which could not be inspected.
- Engine / framework
- Not disclosed (.NET Blazor web app)
- Languages
- Not disclosed
- Team size
- Not disclosed
- Initial build time
- 3 days to a playable stateDeveloper ReportedReddit (u/Medium_Aspect_8784)
- Development time
- Not disclosed
- Development cost
- Not disclosed
- AI-written code
- Not disclosed
“I made the design, Claude Code wrote nearly all of the code, and ChatGPT made the images.”- Tripwick Hollow – a Halloween horde-survival game built with Claude Code (r/aigamedev)
- Trailer (TripGeo on YouTube)
Verification notes: AI use from the developer's post on r/aigamedev by u/Medium_Aspect_8784 (6 Oct 2026, 11:08 UTC), read from the Arctic Shift Reddit archive on 8 Nov 2026; it links the TripGeo Arcade page and the trailer, and had no comments in the archive. “Nearly all of the code” is the developer's wording; no share is recorded. Story, districts, bosses, relics and controls from the TripGeo Arcade page and the game page, read on 8 Nov 2026. The trailer was published on the TripGeo YouTube channel on 5 Oct 2026; no release date is stated, so none is recorded (the game was public by 6 Oct 2026). Developer: the Reddit account posts many TripGeo games (Classic Warlord Online, Scrambled Maps, Hog Noon, Worst Cup 2026) and moderates r/TripGeo, and in replies calls warlord.tripgeo.com its own adaptation; it writes both “I” and “we”, so no team size is recorded and no personal name is given. The comparison to Tesla vs Lovecraft and Vampire Survivors is the developer's own (“inspired by”); the game uses no names or assets from them. The game page runs on .NET Blazor with a server connection, so its server-side code could not be checked for AI calls; the page itself loads no AI services. The game was not played.
Development history
Trailer published on the TripGeo YouTube channel, linking the game on the TripGeo Arcade.
ObservedYouTube (TripGeo)The developer shares the game on r/aigamedev, saying Claude Code wrote nearly all of the code and it was playable after three days.
DeveloperReddit (u/Medium_Aspect_8784)
Game performance
Each figure measures something different — concurrent players, owners, downloads and sales are never interchangeable and are never added together. Labels show where each number comes from.
Browser (official site)
Free in the browser with no download. The Reddit post (6 Oct 2026) said mouse and keyboard or a controller and no touchscreen yet; on 8 Nov 2026 the TripGeo Arcade page also offers touch controls on phones and tablets held sideways.
No public metrics recorded for this listing.
Not publicly available: Concurrent players (site), Monthly revenue, Gross revenue.
Sales & revenue (all platforms)
Browser game — there are no downloads to count.
Reviews & rankings
Not yet reviewed by our editors.
Not currently ranked.
Sources
| Source | Type | Published | Accessed |
|---|---|---|---|
| Tripwick Hollow – a Halloween horde-survival game built with Claude Code (Opus 5.5 / Sonnet 5.5) and ChatGPT images (r/aigamedev) Reddit (u/Medium_Aspect_8784) | Social post | Oct 6, 2026 | Nov 3, 2026 |
| The most fun I've had with Claude: it made my game's trailer from nothing but the game (r/aigamedev) Reddit (u/Medium_Aspect_8784) | Social post | Oct 17, 2026 | Nov 3, 2026 |
| TripGeo Arcade - Free Browser Arcade Games TripGeo | Official site | Not confirmed | Nov 3, 2026 |
| Tripwick Hollow: The Last Lantern - Halloween Horde Survival Game | TripGeo Arcade TripGeo | Official site | Not confirmed | Nov 3, 2026 |
| Tripwick Hollow: The Last Lantern - Survive Halloween Night in Your Browser YouTube (TripGeo) | Social post | Oct 5, 2026 | Nov 3, 2026 |
| Official game page (language check) TripGeo | Official site | Not confirmed | Nov 3, 2026 |
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