The main challenge was the limited amount of time. 

Here's what I have done:

•  Day 1:

        Came up with an idea: Yeah, it took me few hours to think                          about something which is based on the theme, implementable,                and of course, fun to play.

•  Day 2:

        Learned few things from the internet: Since I was working                          first time in 3D, It took me few hours to get comfortable with it.

        Like understanding transform component(especially rotations),

        mesh renderer, textures, 3D mathematics, and a lot more.

•  Day 3, Day 4, Day 5:

        Prototyping: I love programming and it became a lot more                        challenging and fun with a 3D game.

        I had worked with:​​

           1. Colliders and Raycasts.

           2. Projectile motion and its mathematics.

           3. Rigidbody and unity's physics system.

        What I did:

           1. Shoot mechanics using target waypoints and

               raycast detection using layermasks.

           2. Dynamically adding rigidbody property to gameobjects 

               for making destructible walls.

           3. FPS camera movement and shooting using raycast.

        Spend 5 days just making a prototype. Sure love programming...  

•  Day 6, Day 7:

        Level design, sound, and added some good feel to the game.​

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The whole week was so much challenging and fun. The end time was very stressful but that's what game jam teaches you, "To complete a task within the stressful time period" and I was able to overcome it.

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