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.
If you like Mario Keys, show your support by giving them a vote in the 2016 Mod of the Year awards
Single Player Modification for Half-Life. Fun game for all ages.
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Great looking but full with bugs... Walls and floor disappear at certain areas...
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