OldSkool Gravity Game is lunarlander skillgame with twitch gameplay, it is designed to be hard, precise and unforgiving. All in glorious 70's style vector graphics.
It's a small but fully functional XNA Game based on the famous game LunarLander. It was implemented using the concept of stages and secret ships. The game is in portuguese. It needs XNA 3.1 redist to run.
Install XNA 3.1 here
https://www.microsoft.com/en-us/download/details.aspx?id=15163