It cannot "only be played in co-op". There is an alternate path for single-player. DKL (talk) 19:36, February 11, 2020 (EST)
- You're right, the level was written based on the original version shown at NWC 2019 so it's been rewritten. Thanks for bringing this up. Mario JC 00:32, February 12, 2020 (EST)