This guy on Youtube called “pwnisher” runs these challenges and I thought it would suit the Polycount community.
Top 100 Boss Fight 3D Montage
https://www.youtube.com/watch?v=wgiRK8_iKdg
Top 100 Vehicle Montage
https://youtu.be/mIDlU_sKto0?t=188
Top 100 Infinite Journeys
https://youtu.be/JXrWPLNp9tw?t=181
Top 100 Alternate Realities
https://www.youtube.com/watch?v=iKBs9l8jS6Q
Top 100 3D Rube Goldberg Dynamic Machines
https://www.youtube.com/watch?v=Oszl95YWfbs
Replies
He does nice break downs as well, here is one with Raf Grassetti
https://www.youtube.com/watch?v=9Iqm8D2_jOc&t=836s