Answer:
Stage 3 : production
Step-by-step explanation:
The stage 3 of the game design process is called the Production stage. It is also called as the pre-alpha stage or phase. It is considered as the "meat" of the design process where several feature of the game like the mechanics, environment, characters and all the other relevant contents are built and created by the producers, programmers, game designers and the artist who work together to produce a great gaming effect.