![mission 1 metal slug 3 mission 1 metal slug 3](https://i.ytimg.com/vi/TIq8ZBpohmo/hqdefault.jpg)
These can speed up your hunt for the achievement if you want to quicly get the missions done. There are 5 Missions and apart from mission 5, there are alternative paths you can take for each mission. You can choose to play with continues on if you want to but you only have 3 lives per continue and if you lose all of you continues then its GAME OVER and back to the start of the game for you. You can also playthrough on Easy difficulty too. But it doesn't really matter as you can play the game in 'Free Mode' which gives Unlimited continues. Completing all missions can be done in Single or Multiplayer, taking a friend with you can make the job quicker.