Dragon's Dogma 2 co-op would be ideal, especially if you consider the bad AI from the first entry of the series.
Dragon's Dogma Online First Impressions Is It Worth Playing?
Dragon's Dogma 2 has a cat lady who rules an entire nation, and I need this RPG in my life
Dragon's Dogma 2 Local & Online Co-op, Multiplayer
The Lord of the Rings: Return to Moria Multiplayer: Is There Online, Local, Split-screen & Co-op with Friends? - GameRevolution
Will Dragon's Dogma 2 have multiplayer co-op? Answered
Dragons Dogma Online Cyclops Co-op
How Dragon's Dogma 2 Could Improve With Co-op
Why Did Capcom Leave Co-Op Multiplayer Out Of Dragon's Dogma 2?
What We Know So Far About Dragon's Dogma 2
Dragon's Dogma Online - Wikipedia