There are a total of 20 achievements in Halo: Spartan Strike.[1]
On Windows 8/8.1 and Windows Phone 8/8.1 the achievements are worth 200 Gamerscore 
. All of the same achievements are also found in the iPhone/iPad and Steam versions, though they do not award Gamerscore.
List of Achievements
| Icon | Name | Description | Gamerscore
| ||
|---|---|---|---|---|---|
| Campaign | |||||
|
Welcome to New Mombasa | Complete Operation A. | 10
| ||
|
Homing In | Complete Operation B. | 10
| ||
|
Ready for Departure | Complete Operation C. | 10
| ||
|
Home Sweet Home | Complete Operation D. | 10
| ||
|
No Loose Ends | Complete Operation E. | 10
| ||
| Level-specific | |||||
|
I Am Your Shield | Keep the Elephant 100% intact in Operation A, Mission 3. | 5
| ||
|
Not a Scratch | Keep the Wraith 100% intact in Operation B, Mission 4. | 5
| ||
|
Night Knight | Do not allow the Watchers to resurrect any Knights in Operation C, Mission 4. | 5
| ||
|
Beam Dance | Complete Operation D, Mission 5 without getting hit by a Focus Turret. | 5
| ||
|
Mine Sweeper | Do not get hit by any Proximity Mines in Operation E, Mission 2. | 5
| ||
| Stars | |||||
|
Experienced | Earn your first Gold star. | 5
| ||
|
Battle Hardened | Earn all Gold stars in Operations A through E. | 20
| ||
| Challenges | |||||
|
Big Spender | Spend 10,000 credits on loadout upgrades. | 20
| ||
|
GEN2 | Use every Armor Ability at least once. | 10
| ||
|
Thorough | Complete all Assault Ops for Operations A through E. | 20
| ||
| Vidmaster Challenges | |||||
|
Vidmaster Challenge A | Complete Operation A, Mission 6 with the Blind and Thunderstorm Skulls active. | 10
| ||
|
Vidmaster Challenge B | Complete Operation B, Mission 6 with the Hollow and Pacifist Skulls active. | 10
| ||
|
Vidmaster Challenge C | Complete Operation C, Mission 6 with the Black Eye and Pacifist Skulls active | 10
| ||
|
Vidmaster Challenge D | Complete Operation D, Mission 6 with the Famine and Thunderstorm Skulls active | 10
| ||
|
Vidmaster Challenge E | Complete Operation E, Mission 6 with the Hollow and Black Eye Skulls active | 10
| ||