Sonic Frontiers - SP's Rift Apart Part 1 - UNSA Parade on Earth and New Alexandria Pt. 1 (Death of Dr. Nefarious)

This is a fanmade game made by Sega, Warner Bros.. Interactive Entertainment and Activision.

Which is a crossover between Sonic the Hedgehog, Halo, Transformers and Ratchet & Clank franchises.