I know it's solo but I played with my nephew (3yo) and brother (4yo) and they had fun and gave this game a 10/10! We were close to getting caught but we finally managed to get Holmes on the 13th move and made it safe(-ish) to the escape pod.

Courage was my first solo RPG and I loved every moment of this game! I'm doing another solo rpg right now, but can't wait to do another playthrough of this.