Arcade & Co-op trophies
Arcade Master 
Complete any Arcade Chapter below the target time (General)
Arcade Mode is located in Single Player. In Arcade Mode, you have to complete a Zone under a certain time limit. You will unlock Arcade Chapters while progressing through the Story Mode. 'Jungle' is the easiest Arcade Chapter to complete. Take your time, use the Level Map (press
) if you're lost and you shouldn't have any trouble finishing before the time limit.
Notes:
• Available abilities while playing in Arcade Mode depend on the chosen Chapter and reflect the Story Mode progression.
• You can obtain other trophies while playing in Arcade Mode
Don't Go Alone 
Complete any Co-op Challenge Room (General)
Must be done in Online Cooperative. You will unlock Co-op Challenge Rooms while progressing through Story Mode. The 'El Dorado' Challenge Room (unlocked in 'Jungle' Zone) is the easiest one to complete. Good teamwork is required. If you need a partner, make a post in the
Co-op Partner Thread.
Complete the Challenge Room before the time limit and both you and your partner will unlock this trophy.