Here is the full list of all 66 9-Bit Armies: A Bit Too Far achievements.
Read the Game Manual
Win a Skirmish Battle against 1+ Hard AI Opponents
Destroy a Bridge
Win a Skirmish Battle against 1+ AI Opponents
Build an Elite unit
Deploy a Forward HQ
A sincere Thank You for playing our game!
Embiggen the Mouse Pointer
Complete Level 1 Air Unit Production Challenge
Complete Level 5 Air Unit Production Challenge
Complete Level 10 Air Unit Production Challenge
Complete Level 1 Infantry Unit Production Challenge
Complete Level 5 Infantry Unit Production Challenge
Complete Level 10 Infantry Unit Production Challenge
Complete Level 1 Vehicle Unit Production Challenge
Complete Level 5 Vehicle Unit Production Challenge
Complete Level 10 Vehicle Unit Production Challenge
Complete Level 1 Naval Unit Production Challenge
Complete Level 5 Naval Unit Production Challenge
Complete Level 10 Naval Unit Production Challenge
Complete Level 1 Structure Production Challenge
Complete Level 5 Structure Production Challenge
Complete Level 10 Structure Production Challenge
Complete Level 1 Air Unit Destruction Challenge
Complete Level 5 Air Unit Destruction Challenge
Complete Level 10 Air Unit Destruction Challenge
Complete Level 1 Infantry Unit Destruction Challenge
Complete Level 5 Infantry Unit Destruction Challenge
Complete Level 10 Infantry Unit Destruction Challenge
Complete Level 1 Vehicle Unit Destruction Challenge
Complete Level 5 Vehicle Unit Destruction Challenge
Complete Level 10 Vehicle Unit Destruction Challenge
Complete Level 1 Naval Unit Destruction Challenge
Complete Level 5 Naval Unit Destruction Challenge
Complete Level 10 Naval Unit Destruction Challenge
Complete Level 1 Structure Destruction Challenge
Complete Level 5 Structure Destruction Challenge
Complete Level 10 Structure Destruction Challenge
Build all 8 Elite units
Kick that Music Volume to Max!
Unload Unit(s) from a Naval Transport
Get Eaten by Sharks
Win a Skirmish Battle against 6+ Hard AI Opponents
Complete the Overlords Campaign
Complete the Overlords Campaign with at Least 2 Stars in Every Mission
Complete the Overlords Campaign with all Possible Stars
Complete the Sentinels Campaign
Complete the Sentinels Campaign with at Least 2 Stars in Every mission
Complete the Sentinels Campaign with all Possible Stars
Complete any Campaign Mission in Coop Mode
Complete the Overlords Campaign in Coop Mode
Complete the Sentinels Campaign in Coop Mode
Complete either Campaign in Ironman Mode with any Amount of Stars
Complete both Campaigns in Ironman Mode, with any Amount of Stars
Complete both Campaigns in Ironman Mode, with all Possible Stars
Unlock Ironman Campaign Mode
Complete both Campaigns in Coop Mode with all Possible Stars
Win a Multiplayer Battle against any Opponent(s)
Win a Team Multiplayer Battle against Any Opponent(s)
Win a Team Multiplayer Battle against 6+ Hard AI Opponents
Watch the Game Credits and make it all the way to the End
Win a Challenge Battle
Score 1,000,000+ Points in a Challenge Battle
Unload Unit(s) from an Air Transport
Unlock a Hidden Special Crate in any Mission
Unlock all of the Hidden Special Crates in both Campaigns