Indie action-adventure games for adults on Switch offer epic, personal journeys. 'Hades' is a rogue-like masterpiece where you play as Zagreus, son of Hades, escaping the underworld with fluid combat, a compelling story, and relationships with Greek gods that evolve with each run. 'Dead Cells' combines rogue-like randomness with Metroidvania exploration, featuring tight combat, a vast interconnected world, and a dark, gritty aesthetic. 'Celeste' follows Madeline’s quest to climb a mountain, blending precise platforming with a raw, emotional story about mental health and perseverance, resonating with adult players. 'Katana ZERO' is a stylish neo-noir action game with time manipulation, letting you rewind moments to perfect your kills in a neon-lit city, with a twisty narrative about memory and guilt. 'Axiom Verge' is a retro sci-fi adventure with challenging boss fights, glitch mechanics, and a mysterious story about a scientist trapped in an alien world.