themes of loss, regret, redemption, single fatherhood, abuse of power and class, long term effects of war, tyranny, environmentalism, etc.

god of war, and god of war Ragnarok.

themes of mental illness, unreliable narrator, deeper philosophies on the afterlife.

hellblade senuas sacrifice.

themes of narratives themselves, reality control or lack thereof, destiny, Fate unavoidable prewritten circumstance.

Stanley parable, also god of war Ragnarok.

themes of deep subversion and status quo challenging, pacifism, nihilism and the philosophical ramifications of both, deeper insights into consequence itself.

Undertale.

seriously deep existentialism.

soma.

war, exodus and refugee status, balancing of tyrannical government and human empathy.

papers please.

perspectivism, age, insight, wisdom, time and lifespan etc etc.

the way of life.