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Dating sims (or dating simulations) are a video game subgenre of simulation games, usually Japanese, with romantic elements. The most common objective of dating sims is to date, usually choosing from among several characters, and to achieve a romantic relationship.

Pretty sure everything is indie on itch.io but just in case you want something extra indie.

Games where the primary goal is keeping the player character alive under harsh circumstances such as dwindling resources or a hostile environment.