Cheats are features that make the game easier, which are activated upon pressing the correct button. They have been included since the first Chicken Invaders. Most versions, including Steam, mobile, and from other websites remove this feature. They are only available on versions purchased from InterAction studios' website. It is assumed that Chicken Invaders Universe will be missing them, even in the IA version, since it's an online game.
It's advised to not use them unless you're completely stuck, because they take away the challenge and fun the games have. Using them will also prohibit you from getting high scores, Awards, Unlockables, and Keys for the remainder of the current mission.
How to Unlock
As this game doesn't really have a proper menu, cheats are unlocked with the Debug Mode. To use cheats, simply press F9 and F10 at the same time.
The Next Wave and onwards
Cheats here first have to be enabled in the Gameplay menu in the options. They will be available as soon as you start/continue your mission.
Note: This isn't possible on a Steam version, or any other one not from InterAction studios' website.
This game's cheats are a bit different compared to other games. As usual, it has four of them.
The Next Wave (older versions)
This game also has four cheats, but they are in different order compared to later versions and sequels.
Revenge of the Yolk (and onwards), and The Next Wave Remastered
These games, just like others, have four cheats.