Murder Miners plays like Halo with Minecraft graphics. There's also a simple map editor for making your own stuff on the workshop. I'll link my own workshop page in case you win and... I don't know... might want to peek? It's also a pretty simple game that runs on low performance machines too. None of the leveling up or DLC or any of those fancy frills. It's just good ol' first person shootin' and buildin'. I'll link my video and written reviews in case you're interested in more details on the game. Oh, and either add me or I'll ad you when you win because this is a gift copy. I might even try a round or two with you if you'd like. Regardless, enjoy it and have great, late, Merry Murdermas!
Written review: https://hubworldhq.com/2016/03/31/murder-miners/
Video review: https://youtu.be/KUtM5OWZvr4
Workshop: https://steamcommunity.com/profiles/76561198123412640/myworkshopfiles/?appid=274900