
On This Day
The history quiz that drops you inside the moment
What it does
History games usually feel like exams. On This Day feels like being there. Each day you get 10 scenes richly written, present-tense. You're placed inside a moment 10 seconds before a pivotal event in history. Then you're asked: what happens next? Four choices. One correct answer. What makes it different: - The writing is cinematic, not dry. Each scene is crafted to make you feel the tension. - It's daily and free. 10 new moments every day. Built solo, vibe-coded on Replit.
Does the same job
all alternatives →- TPTime Portal – Get dropped into history, guess where you landed2025 · eggnog.ai · ▲497
Hi HN! I love imagining the past, so I made Time Portal, a game where you are dropped into a historical event and see AI video footage from that moment. You have to guess where you are in time and on the map. It’s like GeoGuessr (and heavily inspired by it!) but for historical events. The videos are all created with AI. It’s a pipeline of Flux (images), Kling (video), and mmaudio (audio). The videos aren’t always historically accurate to the last detail. They might incorporate elements of folklore or have details from popular beliefs about the way things looked rather than the latest…



- BABuilt a daily game where you sort historical events chronologicallyApr 2026 · hisorty.app · ▲74
Hey folks, I built Hisorty, a small daily game where you sort historical events in chronological order (strongly inspired by Wordle mechanics). Each day you get 6 events and 3 attempts to place them correctly. I found it surprisingly tricky to design those puzzles so the difficulty is just about right. Would love feedback on: - difficulty balance - UI/UX - whether the concept feels engaging long-term Happy to answer any questions about how I built it.
Earlier - The Daily Timeline GameMay 2026 · playearlier.com · ▲2A daily “what happened first?” challenge
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Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…
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