Another Century's Episode 3: The Final
Unlimited ammunition
Successfully complete the game. Continue with your cleared game file. Upgrade a unit fully and maximize its experience.
A "Limiter Release" upgrade will appear when you next upgrade that unit. When used, this upgrade will give you unlimited ammunition on most attacks.
VS Missions
Certain VS Missions in Free Missions mode are only unlocked after clearing the game once.
Real Ace Difficulty
Automatically becomes available under "Options" on New Game +. Clear this mode to prove yourself as an ACE!
New Game +
Load the cleared save. Player gets to play through the game again while retaining all previous units and upgrades.
EX Missions
In the New Game +, clear the Missions from the other route on both route splits. EX Missions will then become available in Free Missions mode
Limiter Release
Clear the game once, fully upgrade a unit and max out its EXP. The "Limiter
Release" upgrade will then show up in the upgrade screen.
Units
Clear campaign mode, secret missions, ex missions, vs mission and earn ACE
ranks (you must clear campaign at least once in order to unlock the hidden
mechs and other missions), and deploy 20, 40 and 60 different units.
| Unlock | How to Unlock |
| Aitenshi | clear 25 secret missions |
| Akka Nanajin | have Nanajin's experience reach up to 1/3 or up |
| Bilbine (Alternate color) | have Bilbine's experience reach up to 1/3 or up |
| Blood Ark | clear all main missions |
| Falguen | clear extra mission 2 |
| Freedom Gundam (Meteor) | have Freedom Gundam's experience reach to 2/3 or up |
| Full Armor Gundam | have Gundam's experience reach up to 2/3 or up |
| Gachiko | clear all vs missions |
| Grave Ark | get 40 ACE ranks |
| Grave Ark Phantom | get 50 ACE ranks |
| Gundam | clear extra mission 1 |
| Gundam Ashtaron | get 10 ACE ranks |
| Gundam Ashtaron HC | clear 15 secret missions |
| Gundam DX (G Falcon) | have Gundam DX's experience reach to 1/3 or up |
| Gundam Virsago | player must deploy 20 different mechs |
| Gundam Virsago CB | clear 20 secret missions |
| Jagd Doga (Gyunei) | get 20 ACE ranks |
| Jagd Doga (Quest) | player must deploy 40 different mechs |
| Justice Gundam (Meteor) | have Justice Gundam's experience reach to 2/3 or up |
| Neli Brain | have Yuu Brain's experience reach up to 1/3 or up |
| Nirvash spec3 | clear all secret missions |
| Nu Gundam (HWS) | have Nu Gundam's experience reach up to 1/3 or up |
| Oukaou | clear extra mission 3 |
| Perfect Gundam | get 30 ACE ranks |
| Power Golem | clear 10 vs missions |
| Sazabi | player must deploy 60 different mechs |
| Shin Getter 1 (Touma) | clear extra mission 4 |
| Spear Head | clear 10 secret missions |
| TurnX | clear 30 secret missions |
| VF-1A(S) - Jyo | have VF-1A - Jyo's experience reach up to 2/3 or up |
| VF-1A(S) - Max | have VF-1A - Max's experience each up to 2/3 or up |
| VF-1S(S) - Falker | have VF-1S - Falker's experience reach up to 2/3 or up |
| VF-1S(S) - Jyo | have VF-1S - Jyo's experience reach up to 2/3 or up |
| VF-1S(S) - Max | have VF-1S - Max's experience reach up to 2/3 or up |
