← All games
Portal: Still Alive
Xbox 360 · backward compatible
SortLocked / Unlocked
Portal: Still Alive
- Achievements
- 12
- Gamerscore
- 200G
- Prestige Score
- 200P12 without Xbox rarity
Dissolve a turret.
5 Gamerscore, 5 Prestige Score, without Xbox rarity5G · 5PNo rarityBeat 5 advanced chambers
10 Gamerscore, 10 Prestige Score, without Xbox rarity10G · 10PNo rarityBeat 10 advanced chambers
25 Gamerscore, 25 Prestige Score, without Xbox rarity25G · 25PNo rarityWin a gold medal on a challenge map.
15 Gamerscore, 15 Prestige Score, without Xbox rarity15G · 15PNo rarityComplete the game without ever taking a bullet.
20 Gamerscore, 20 Prestige Score, without Xbox rarity20G · 20PNo rarityTrap yourself in a test chamber so that GLaDOS has to help you continue.
20 Gamerscore, 20 Prestige Score, without Xbox rarity20G · 20PNo rarityOnce you have control of both portals, only enter the orange portal.
25 Gamerscore, 25 Prestige Score, without Xbox rarity25G · 25PNo rarityFind all the Rat Man dens.
15 Gamerscore, 15 Prestige Score, without Xbox rarity15G · 15PNo rarityCause a rocket sentry to destroy its own rocket when the rocket has been redirected back towards it.
5 Gamerscore, 5 Prestige Score, without Xbox rarity5G · 5PNo rarityFind the chicken's test results.
15 Gamerscore, 15 Prestige Score, without Xbox rarity15G · 15PNo rarityKnock a turret over with a security camera.
10 Gamerscore, 10 Prestige Score, without Xbox rarity10G · 10PNo rarityBeat all advanced chambers
35 Gamerscore, 35 Prestige Score, without Xbox rarity35G · 35PNo rarity
