Mario Keys

Half-Life mod |

Mario Keys - a single player modification for Half-Life. Concept: Find color coded keys to open color coded doors. The game is set in a mario-styled world. Fun for all ages.

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Mario Keys mod for Half-Life

Mario Keys mod for Half-Life

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Originally released in 2007, this is a fun mario-themed mod where you have to find colored keys to open same colored doors/exits. Developed for younger...