Blackfire
Saturn
To View the FMV sequences:
At the title screen, press Start then enter: Z, A, Z, A, B, A, B, Y, C, A, C, A. You should now be able to see all the FMV's.
Refuel and reload your weapons
At the title screen, enter: L, A, Z, Y, A, Down, Down. In order to refuel and reload, simply pause and resume the game while playing.
Level skip
At the title screen, do the following in this order: hold C, hold B, hold A, hold Up, hold L, release A, release C, release L, release Up. A voice saying "Blackhold engaged" will confirm that you have entered the code correctly. Then during the game hold A+B+C+Up+L at the same time to move to the next level or X+Y+Z+Up+L to go to the previous level.
Invinciblity
At the title screen, do the following in this order: hold A, Hold B, Hold C, release C, release B, release A, tap B, tap A, tap B, tap Y, hold X, tap Up, hold Down, release X, release Down A voice saying "You are on the wrong team" will confirm that you entered the code correctly.
Thanks to Revolution reader Limpy Carmichael!

Embark on an inspiring mission of human connection beyond the UCA. Sam — with companions by his side — sets out on a new journey to save humanity from extinction. Join them as they traverse a world beset by otherworldly enemies, obstacles and a haunting question: should we have connected?