UnderMine

UnderMine is presented in an isometric view with the player in control of a randomly generated player character, referred to as the "peasant". Armed with a pickaxe, the peasant is tasked by Arkanos the Archmage to investigate the source of tremors within the mines and search for a missing blacksmith. Players could refer to a min-map which is present on the bottom corner of the user interface screen for navigation, and collect keys for the opportunity to reach previously inaccessible areas. Bombs may also be employed to find secret rooms.

A range of potential enemies may be encounter during exploration, from mundane rats to fantastical creatures like Spate Flies who spit green orbs, green slime-like beings called Pilfers who attempt to steal the player's gold, and strange monsters which masquerade as treasure chests. Some rooms will feature environmental hazards such as spikes, oiled surfaces, or spinning blades snaking around on tracks. Bosses are designed in such a way that players need to utilize a combination of upgrades and skill in order to defeat them. Should the player character's health points drop to zero after taking damage from enemies or environmental hazards, they become permanently dead and is replaced by a new player character, which starts a new run-through for the player.

UnderMine is developed and published by Thorium, a two-person Canadian indie game studio founded by Derek Johnson and Clint Tasker in 2015. Both Johnson and Tasker met each other during their time at Canadian developer Relic Entertainment, and later made the decision to leave Relic to start their own studio and pursue their passion projects. UnderMine, Thorium's first video game project, is described as "darkly lighthearted". Johnson and Tasker consider UnderMine to be the sum total of the "highest quality ingredients" collected from the action adventure game, roguelike, and role-playing game (RPG) genres.

Earlier video games which have influenced UnderMine include The Legend of Zelda series, Dead Cells, The Binding of Isaac, Rogue Legacy, and Hyper Light Drifter. The gameplay mechanic of rescuing NPC's which would then provide the player with permanent benefits is inspired by the 1990s Super NES title Soul Blazer.

UnderMine received generally positive reviews on the PlayStation 4 and Nintendo Switch according to review aggregator Metacritic. Fellow review aggregator OpenCritic assessed that the game received strong approval, being recommended by 84% of critics. By January 2021, the game had already been downloaded 600,000 times in total on Steam and Xbox Game Pass. UnderMine was included in Kotaku staff's list of the 17 Best Games On Xbox Game Pass published in July 2021.

Mitch Vogel from Nintendo Life gave an enthusiastic review for UnderMine and called it one of the best examples of the roguelike genre in terms of its overall design, controls, upgrade systems and presentation, which is put together as a coherent and engrossing experience. Vogel highly recommended UnderMine as an exemplary title for readers who are interested in the roguelike genre. TouchArcade lauded UnderMine as well-constructed and polished to an impressive degree, though its gameplay loop somewhat predictable for certain players who may expect more. Nintendo World Report said Thorium has "struck" gold with UnderMine and called it a "worthy addition" to the Nintendo Switch platform's selection of roguelike titles.