We just launched EraPin 🌍 A daily history + geography game. See a real Wikipedia photo, drop a pin on where it happened, guess the era. 2 days old. 100+ players. #1 on Google AI mode. Zero ad spend. Come play 👇 erapin.com #BuildInPublic #DailyGame #HistoryGame

EraPin just got a Desktop promotion. 💻📍No more "guessing" city names. The new split-screen view is now the default on desktop, making it a true OSINT playground.📸 Left: Historical Archive 🗺️ Right: Modern Interactive MapToday's round #170 is a global tour—I managed a 1km

A harbour. Twisted cranes. A coastline changed forever. 🌍 Clue: Smartphones, social media, modern internet. Where is this? What year? Drop your answer below ⬇️ Then play all 5 rounds at erapin.com #DailyGame #HistoryGame #Geoguessr #Geography

A player told us the map wasn't obvious enough on desktop. We shipped a fix the same day. Desktop now loads with the map open by default. She said "Danke ^^" That's why we build in public. 🌍 erapin.com #BuildInPublic #IndieGame #DailyGame #GameDev #geoguessr

The ultimate EraPin dilemma. A player just thought that the "Location" for this photo is The Moon. They aren't wrong. But on a map of Earth, how many points do you get for being 384,400km oft-target? The Challenge: Can you find the Earth-based coordinates for the mission that

EraPin 2.0: The Global Gauntlet is Live. 🌍📍 We overhauled the engine for a "Flow State" experience. 1️⃣ Pin the location. 2️⃣ The Year Roller takes the stage. 3️⃣ Get instant feedback between rounds. Current Leaderboard: 🇮🇳 India: Most players (37%) 🇬🇧 UK: Highest accuracy (35%

Day 3 of building EraPin in public. No viral moment today. No spike in players. Just showing up, shipping fixes, and trusting the game is good enough to grow. That's what building something real looks like. erapin.com 🌍 #BuildInPublic #IndieGame #IndieHacker

Three nations clashed over a waterway. Two enemies signed a wartime pact. A woman made space history. Can you pin WHERE and WHEN these happened? 5 rounds. Free. No signup. New challenge every day. erapin.com #DailyPuzzle #HistoryGame #GeoGuessr #Wordle

Yesterday's EraPin featured the 2020 Beirut port explosion. One of the largest non-nuclear blasts in history. Visible from Cyprus. Hundreds killed. 300,000 left homeless. Most players got the city. Almost nobody got the year. Missed it? Play it in the archive. Today's

Tomorrow on EraPin: A city vaporised. A wall torn down. A crowd gunned down. A games broadcast in colour. A treaty that redrew the map. 5 rounds. 1919–1989. Three continents. Can you pin them all? erapin.com #DailyGame #HistoryGame #DailyPuzzle #GeoGuessr #Erapin

Yesterday we went to March 1983 📍 NASA had just announced Sally Ride as the first American woman selected for spaceflight. A press photo. A NASA badge. A Challenger mission patch. Did you pin the right city and era? Today’s puzzle is live on erapin.com #EraPIN

Tomorrow on EraPin: One started a tradition the whole world follows. One opened the gates to horror. One changed music forever. One united a region. One reshaped the world’s largest nation. 5 events. 5 continents. Can you pin them all? erapin.com #EraPin #DailyQuiz

Yesterday’s EraPin reveal: Berlin, 1989. The night the wall came down. How close did you get? erapin.com #EraPin #History #Berlin #DailyQuiz #HistoryMeetsGeography #Hiography

EraPin now has a classroom mode. Teacher creates a class. Students get a link. No signups. No accounts. Just a name, 5 rounds, and a leaderboard. No Google Maps autocomplete either - students have to actually find countries on the map. Free. Built it because teachers asked for

Yesterday's EraPin reveal: Delhi, 1947. A nation of 300 million won its freedom. But independence came with a partition that displaced 15 million people. History is never simple. That's what makes it worth learning. erapin.com #EraPin #History #OnThisDay

Tomorrow on EraPin: Revolutions. Workers march for dignity. A militia fires the first shots. A satellite state breaks free. Balkans erupt. Children spark a nation's uprising. 5 revolutions. 5 continents. 250 years of defiance. Can you pin them all? erapin.com

New: EraPin Quiz Builder Teachers can now build their own history quizzes. Search Wikipedia for any event. Photo, year, and location pull in automatically. Write your clue. Publish to your class. Students join with a code. Leaderboard tracks scores. Export to CSV for grading.