The 2-Year-Old Game That Conquered 2020

Among Us, released June 15, 2018 by InnerSloth to near-zero attention, inexplicably exploded in August-September 2020 to become the year’s biggest game. The social deduction game—where crewmates complete tasks while impostors secretly kill them—peaked at 3.8 million concurrent players and became the most-streamed game of fall 2020, demonstrating that viral success can strike years after launch.

The Mafia in Space Concept

Among Us combined Mafia/Werewolf social deduction with casual gameplay:

• 4-15 players aboard a spaceship
• 1-3 players are secret impostors (killers)
• Crewmates complete simple tasks to win
• Impostors sabotage and kill crewmates
• After bodies are found, players discuss and vote to eject suspects

The genius was making Mafia accessible—no game master needed, matchmaking handled everything, rounds were quick (10-15 minutes), and it was free on mobile.

The Two-Year Dormancy

Among Us launched June 2018 with minimal marketing, averaging 30-50 concurrent players through 2019. InnerSloth (a 3-person team) considered it a modest success that funded their studio.

In July-August 2020, something changed. Brazilian and South Korean streamers started playing. Then Twitch megastar Sodapoppin played it. Then everyone did.

The August 2020 Explosion

By September 2020, Among Us was unstoppable:

• 3.8 million concurrent players (September 2020 peak)
• #1 most-watched game on Twitch
• 500+ million mobile downloads
• Alexandria Ocasio-Cortez played it on Twitch (439K viewers)
• Politicians, celebrities, and mainstream media covered it

“Sus” (suspicious) entered mainstream vocabulary. “Impostor” and “crewmate” became universal references. Among Us memes flooded every platform.

Why It Took Two Years

The delayed success had multiple factors:

• COVID-19 lockdowns created demand for social games playable remotely
• Free mobile version lowered barrier to entry
• Cross-platform play let PC and mobile players unite
• Discord integration made voice chat seamless
• Streamer-friendly format created viral content
• Accessibility—anyone could play, no gaming skill required

The game succeeded because it was the right game at the right time—even if that time was two years after launch.

The Peak and Decline

Among Us peaked in September-October 2020 with 3.8M concurrent players. By mid-2021, it declined to 100-200K concurrent as new games emerged. But the peak was extraordinary—a tiny indie team created 2020’s biggest cultural phenomenon.

InnerSloth canceled Among Us 2 (planned separate sequel) to instead update the original with new maps, roles, and features. The game remained profitable in 2023, though far from 2020’s peak.

The success story became legendary: patience, right timing, and accessibility can overcome any marketing budget.

Source: Steam Charts, mobile download statistics, Twitch viewership data