Batman: Arkham Asylum (Xbox 360) achievements
1,687
(1,000)

Batman: Arkham Asylum (Xbox 360)

4.6 from 13170 votes

There are a maximum of 47 Batman: Arkham Asylum (Xbox 360) achievements worth 1,687 (1,000)

146,055 tracked gamers have this game, 13,201 have completed it (9.04%)

Achievement Details

Secret Achievement in Batman: Arkham Asylum (Xbox 360)

Secret Achievement11 (10)

Continue playing to unlock this achievement. (Secret)

  • Unlocked by 125,198 tracked gamers (85% - TA Ratio = 1.08) 146,466  

Achievement Guide for Breaking And Entering

AuthorSolution
splicegraph
127,117 (74,615)
splicegraph
Achievement won on 31 Aug 09
TA Score for this game: 782
Posted on 31 August 09 at 06:04
This solution has 22 positive votes and 0 negative votes. Please log in to vote.
Access to the Mansion is through a vent seen from the ledge where the two snipers are. It can be opened with the grappling upgrade (D-pad down) acquired in the batcave. LT to target, RT to fire and A repeatedly to pull the vent cover off. The achievement will unlock soon as you enter the Mansion.
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