“We dared to programm a game about signal Towers, as it feels like all of you... Finsternis, you start in darkness and illuminate the world with signal towers. There are dangers lurking in the dark, Towers to be built, ruins to be explored and a Beam Tower to activate. How are…” (excerpt from the jam entry)
Starter recipe: a learning template written by Vibe1Up from the game's public description. It has not been reproduced in a fresh AI-builder session. It is not the creator's official prompt. Are you the creator? Share yours and we'll show it with the Creator's prompt badge.
A prompt you can paste into an AI coding tool to build a game like this one. Based on: the listing (checked 2026-10-19).
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Read the full Starter recipe
Build a small, playable browser game inspired by "Finsternis" (genre not listed).
Concept: We dared to programm a game about signal Towers, as it feels like all of you... Finsternis, you start in darkness and illuminate the world with signal towers. There are dangers lurking in the dark, Towers to be built, ruins to be explored and a Beam Tower to activate. How are….
Tech: use plain HTML, CSS and JavaScript (or a lightweight engine you know); keep it to a single page that loads instantly with no login or install.
Controls: keyboard and mouse on desktop, shown on a short how-to-play screen.
Players: start single-player (the original's player count is not stated in its listing).
Steps: 1) get the core mechanic playable with placeholder shapes, 2) add win/lose conditions and restart, 3) polish feel, visuals and sound, 4) add your own twist (setting, character or one new rule).
Make it your own: don't copy the original's name, art, text or code.
Affiliate link: we may earn a commission if you sign up or pay through this link, at no extra cost to you. A recommendation is not proof that this recipe has been reproduced in that tool.
The engine Finsternis was made with is not stated in the source. Its listing mentions Claude as an AI tool used to make it.
How do you control Finsternis?
The game's own page mentions mouse clicks. We detected this from the page text; the creator hasn't confirmed a controls list.
Does Finsternis work on phones?
Probably not well. We could not confirm touch controls, so a keyboard or mouse may be needed.
Is Finsternis multiplayer?
Not stated in the source.
Where can I play Finsternis?
In your web browser on ldjam.com, linked from its listing. Vibe1Up links to it and doesn't host the game.
Is the prompt for Finsternis official?
No. The prompt on this page is a Starter recipe: our own reconstruction from the game's public listing, not the creator's official prompt. If you made this game, you can share your real prompt at vibe1up.com/prompts/ and we'll show it with the Creator's prompt badge.