Freeware mashup game fusing the goodness of Mario with the new randomness of No Man's Sky. Versions available for PC, Mac and Linux. Official description:
"No Mario's Sky takes the mix & match approach of No Man's Sky's planets, flora and fauna and applies it to the colourful, Goomba-filled world of Super Mario Bros"
Controls as follows:
Arrow keys - Move
Z - Jump
Arrow keys - Drive your ship (Up Arrow is go!)
Z - Ship boost
M - Toggle music
Alt-F4 - Quit game
Collect Explore them all and enjoy!