Game development looks mysterious from the outside. Inside, it is a clear sequence of stages, and knowing them helps whether you want to build a game yourself or hire a team to build one for your business.

Stage 1: Concept

One clear idea, one target player. The concept stage answers: what does the player do every minute, and why is it fun? If that cannot be explained in two sentences, the idea is not ready.

Stage 2: Prototype

A rough, ugly, playable version of just the core loop. No polish, no menus, no store page. The only question is whether the basic action is enjoyable. Most successful games were fun as prototypes; most failed games were never tested until they were finished.

Stage 3: Production

Now the full game gets built: art, animation, levels, sound, menus, saving, and the supporting systems like accounts or leaderboards. This is the longest stage and the one where scope discipline matters most.

Stage 4: Testing

Real devices, real players, real confusion.…