Mystery Box Simulator

Steam Next Fest October 2026 · opens Oct 19, 17:00 UTC · updated 06:20 UTC

#1,160of 2,936 demos with players

top 40%#625 of 1,380 in Simulation

Players, last 24 h2

Playing now0

Place vs 6 h ago▼ 21

Place vs 24 h ago▼ 241

Top Wishlists chartnot in top 3,000

Place goes by the most people playing the demo at once over the last 24 hours, among every demo in the registered list.

Demo players by hour

Oct 13Oct 14Oct 15Oct 16Oct 17Oct 18

Most players at once in each hour, UTC. Peak 3 on Oct 17 at 00:00. Scale up to 5.Hover or tap the chart to read any hour.

Data as of 2026-10-19. Every number comes from Steam’s own public surfaces or is computed from them; definitions are in Metrics.