Play Commander Keen 1: Marooned on Mars online
Commander Keen 1: Marooned on Mars is old DOS game developed by id Software and published by Apogee Software in 1990. Here you can play Commander Keen 1: Marooned on Mars as online game right in your browser. If you have any issues running this game, or you just want to talk about it, let us know in the game discussion forum.
Use keys CTRL + F11 (to run the game slower) and CTRL + F12 (to run it faster)
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Please, take into consideration, that the whole operating system (DOS) is emulating in your browser and this process may take up to 100% of your cpu while running. Playing experience can be poor (based on your browser or computer). Download Commander Keen 1: Marooned on Mars and launch it with DOSBox to have the best playing experience.