| Achievement | Unlocked | Game | Visibility | Global Unlocks | ||
|---|---|---|---|---|---|---|
|
Into the Breach
Help Griggs and Sheckley hold off the antlion invasion inside the mine shaft. |
Unlocked |
|
Half-Life 2: Episode Two | 83.3% | ||
|
Acid Reflex
Kill an acid antlion worker. |
Unlocked |
|
Half-Life 2: Episode Two | 90.3% | ||
|
Long Jump
Jump 300 feet. |
Unlocked |
|
Portal | 13.8% | ||
|
Friendly Fire
Knock down a turret with another turret. |
Unlocked |
|
Portal | 49.2% | ||
|
Partygoer
Make the correct party escort submission position decision. |
Unlocked |
|
Portal | 55.9% | ||
|
Fratricide
Do whatever it takes to survive. |
Unlocked |
|
Portal | 63.8% | ||
|
Lab Rat
Acquire the fully powered Aperture Science Handheld Portal Device. |
Unlocked |
|
Portal | 81.5% |