1. Halo: The Master Chief Collection Achievements
  2. Ouroboros achievement
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Ouroboros achievement in Halo MCC

Ouroboros

Halo 4: Beat the par time on Infinity.

Ouroboros0
2 guidesOnline/Offline - These achievements can be obtained in either an online or offline game mode.Single Player - These achievements can be obtained by a single player.Cooperative - These achievements can be obtained by two or more players in a cooperative game mode who have met the achievement requirements.Time/Date - These achievements require you to play the game or perform actions at certain times, within a time limit, or on specific dates.
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How to unlock the Ouroboros achievement

  • wildfingc009wildfingc009
    18 Feb 2020 18 Feb 2020 18 Feb 2020
    33 0 6
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    This achievement can be obtained with relative ease by playing through the "Hogs, Jets, Tanks, and Mechs" Cross-Game Playlist. "Infinity" is the 4th and final mission in said playlist however the level begins at the vehicle section where you can pilot a Scorpion up to Infinity, completely cutting out the running through the swamps and open area battles that you have to complete in the 1st half of the level. I completed the Scorpion and Mantis sections in about 12 minutes while not focusing on rushing and unlocked the Ouroboros achievement when the level ended. When paused, the menu still stated a par time of 25:00 minutes.

    If you still need to unlock the Sample Plate achievement for completing 3 Cross-Game Playlists, you might want to use the aforementioned playlist as one of the three to make this generally tough par time achievement much easier. And the other levels in the playlist aren't too long either.

    Guide not helping? View 1 more guide for this achievement.

    Showing most recent comments. View all comments.
    Aphelion RemSaved me!!
    Posted by Aphelion Rem on 17 Sep 22 at 23:52
    EarthboundXOh, so that's why this seemed so easy. I was doing the Tanks, Tanks, Tanks! playlist for The Ark par time on Halo 3, and decided to just finish the playlist. Was confused when I got under 15 minutes par time, when it was listed as 25 I think. Well that coincidence worked out well I guess.
    Posted by EarthboundX on 14 Nov 23 at 08:56
    SpirantCrayon22just had the same experience for as @Earthbound for the same reason. Wasn't even trying! That's certainly worth noting and it definitely makes that playlist a good bet.
    Posted by SpirantCrayon22 on 08 Jan at 21:09

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  • YoDzYoDz
    14 Sep 2015 14 Sep 2015
    33 2 0
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    This is one of the harder level to speedrun, even on easy difficulty. Below is a guide for speedrunning this level on legendary courtesy of Nak3dEli and ProAceJoker. Follow this guide an you should have no problem getting this achievement on any difficulty. ProAceJoker did it in about 15:30, You have about 9 minutes for errors, the par time is 25 minutes. Also you can use the save/quit method to set your time back to the point you were at when you originaly hit a checkpoint, but does not work on the last checkpoint of the level.
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