It's a great collection of classic Contra video games, a little odd in its navigation around the menu but otherwise a superb treat. A bit of a shame two of the games are simply repeats in the collection but with an overall sprite alteration from organic/human entities to robots everywhere, so do consider that when picking this up.
Pick a pilot, grab a mech, and liberate Solo Nobre for the company! It feels good to play, a little wonky at the start with the recommended controls. However it makes sense when involving certain mechs that don't really function via twin stick action. I highly recommend this if you've got the time to really sink into this juicy adventure.