Before Battlegrounds Mobile India and before Call of Duty: Mobile dominated your notification bar, there was a different kind of war raging on smartphones. It was pixelated, it was chaotic, and it was absolutely glorious. We are talking, of course, about Mini Militia – Doodle Army 2 in its golden year: .

This was the game's greatest strength in 2015. Internet connectivity on mobile phones wasn't as reliable or cheap as it is today, and many gamers were on school networks that blocked gaming traffic.

Why does this specific year still matter? Because proved that mobile phones could handle competitive, skill-based shooters. It was the training ground for many current esports players who cut their teeth on dual-stick controls.