That sounds great to me reneuend! Simple puzzles, storyboard, etc. This is good for me.
Maybe we can avoid to add voices? It's complicated in such a limited time.
Regarding the music we can use free royalty free tracks if we can't do a soundtrack in time.
The most important is to have the ideas, the graphics, and someone to put it all in AM.
Do you want to go with the Black Cube series world as a starting point? You talked above of a world under water. I like the idea and it is totally compatible with the Black Cube series.
Or do you prefer to work on something else?
According to what Juanjo said above, we can start thinking of the ideas already. Feel free to share your ideas, share visual references that you like (pick some photos on google and post them here), so that I can start to think of the challenge that awaits me
Then we'll try to sort everything in order to create the game. We have to try to make it short.
Do you want videos? (opening/ending...)
Should we do it 1st-person or 3rd-person?
If 1st, do we use static views or 360 nodes?
If 3rd, is it wise to use AM while there are plenty of other engines that look more suitable?