the marketing: You are Agent 47, an unfeeling and calculating badass who could assassinate a room full of people without wrinkling his suit.

the gameplay: I dressed up as a clown and slapped a guy into the ocean with a fish

It's the worst mainline Sonic game. Controls suck, it's tedious to actually beat, and level design is wonky at best. Soundtrack is okay but also underwhelming compared to other Sonic games.