Find your Game prefs file in: For Windows 7/Vista C:\Users\{Your User Name}\AppData\Local\Gas Powered Games\Supreme Commander 2\ Open the Game.
prefs file in Notepad. Right at the very top above the "options_overrides" add the following to the very top of the file: debug = { enable_debug_facilities = true }
Next Press Ctrl+F in notepad and type in: CheatsEnabled = Then click search, If it comes up change the 'false' into 'true'.
If it does not come up in search, find the following text.\: options = { Then below that tab over a few times and add in the following text: CheatsEnabled = 'true', Once everything is done and that you have enabled debug and cheats.
Now you can save and close notepad.[Alt]-[A]: Shuts down the enemy AI for the rest of the match (Unconfirmed!?)
[Alt]-[Delete]: Deletes all (Selected!!!) instantly without explosion or (nuclear effects) from the map.
[Alt]-[F2]: Launches the Create Unit Interface and will create the selected unit at the cursor position.
[Alt]-[N]: Prevents (ALL!!) units and players from getting damaged.
[Alt]-[T]: Teleports all selected units to the cursor.
[Ctrl]-[Alt]-[B]: Gives (ALL!!) players 99999 of mass, energy, and research points
[Ctrl]-[Alt]-[Z]: Toggles fog of war from the map.
[Ctrl]-[Shift]-[C]: Copies the selected units into the clipboard.
[Ctrl]-[Shift]-[R]: Gives (ALL!!) players all research.
[Ctrl]-[Shift]-[V]: Creates all units that are inside the clipboard.
[Z]: Brings up the console window for command line cheat input. 

Complete each requirement to receive the achievements.
A Winner is You: Complete all three campaigns 'Normal' difficulty
Alarming: Complete the 'Lethal Weapons' operation
Animal Magnetism: Complete the 'The Great Leap Forward' operation
Barge Ahead: Complete the 'Delta Force' operation
Bot Lord: Complete 'prime time' with an army made up entirely of assault bots
Bugs in the System: Complete the 'The Trouble With Technology' operation
Cakewalk: Win a skirmish match against any AI opponent
Class Reunion: Complete the 'Gatekeeper' operation
Committed Relationship: Play 25 skirmish matches with one faction
Communication Breakdown: Complete the 'Prime Target' operation
Completist: Complete all hidden campaign objectives
Dating: Play 10 skirmish matches with one faction
Deep Freeze: Complete the 'Strike While Cold' operation
Downloading: Complete the 'Fact Finder' operation
Easy Going: Complete all three campaigns on 'Easy' difficulty
Fatboy Parade: Complete the 'Titans of Industry' operation
Friends: Win a co-op match vs AI
Good Friends: Win 10 co-op matches vs AI
Good Game: Win a skirmish match against all AI opponents
Gorged: Complete the 'Cliff Diving' operation
Hole in the Ground: Complete the 'Steamed' operation
Internet Commander: Win an online match
Knows it All: Complete all primary and secondary campaign objectives
Luddite: Win a skirmish match without building any Experimentals
Masster: Extract 1,000,000 mass
Master Builder: Build 10,000 units
Nuclear Strike: Complete the 'Factions or Family Plan' operation
Prison Break: Complete the 'Back on the Chain Gang' operation
Ranker: Win a Ranked online match
Replayer: Improve your score on any operation
Reunited: Complete the 'Prime Time' operation
Rodgers is Relieved: Complete the 'End of an Alliance' operation
Rushin' Front: Win a skirmish match in less than five minutes
Sampling: Win a skirmish match with each faction
Score Hoarder: Get a complete campaign score over 150,000
Second Target: Complete the 'Off Base' operation
Sharp Shooter: Destroy 10,000 units
Sightseer: Win a skirmish match on every multiplayer map
Start Here: Complete both parts of the tutorial
Supreme Online Commander: Win 25 Ranked online matches
Supremest Commander: Complete all three campaigns on 'Hard' difficulty
Survivalist: Survive multiple waves after the download completes in 'Fact Finder'
Survivor: Don't lose any units during the first attack in 'prime target'
Terra Firma: Complete the 'The Final Countdown' operation
Time Cruncher: Play the game for over 24 hours in total
To the Vict...: Win 25 skirmish matches
Well Stocked: Complete the 'Surface Tension' operation

Developer : Gas Powered Games
Publisher : Square Enix
Platform : Microsoft Windows
Genre : Real-time strategy
Mode : Single-player, Multiplayer