Iām currently at 688/700 and have a lot of experience, happy to help/give advice if you help me with Deja Vu and Annual.
Go on Trueachievemts.com . Best site you are looking for guides to complete this game (and any other)
If you are wanting to beat the LASO playlists, I would recommend following Halo Completionistās guides on YouTube. They really help get you through some of the more difficult levels.
As someone who had got 100% on MCC, I would say be prepared to play the campaigns many many times to the point at which it becomes a chore. Also be prepared for the pain that is laso and halo 2 speedrunning. I would also echo the above and say trueachievements is the best website out there for achievement hunting.
YouTube will be your best friend for the gut wrenching tough under three hour legendary speed runs and LASO achievements.
Basically youtube guides. Only ones I have left are the two 4 player achievements.
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> Basically youtube guides. Only ones I have left are the two 4 player achievements.
Want to join us for Deja Vu and Annual?
My main tip is to start with th easier achievements (Eastern Egg, Par Time, Par Score, Collectibles and similar) in order to get a better overview over the achievements the remains.
Other than that, I would wish you good luck on the journey to obtain all 700 of the MCC achievements.
Definitely agree with above. Iām currently 4 achievements off of 700 and I highly recommend getting the easy achievements out of the way as they make up the bulk of the 700
Make sure you read the multiplayer achievements as well because a lot of them can be done in Custom Games, such as winning 500 games
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I have 100% achievement on all Halo games on Steam-
- Halo MCC - Halo Wars 1 - Spartan Strike - Spartan AssaultLet me know if yāall need any help!
GT: J0K3R 913
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> I have been going for 100% achievements for MCC the last couple of days. Trying to get it done before Halo Infinite comes out. Have any of you tried or completed MCC 100%?
> Right now, I have been slowly going through this guide - Steam Community :: Guide :: Halo: MCC - 100% Achievement Guide
>
> Any other Tips, Tricks or guides out there?
I finished my 100% of MCCās achievements back in about January of 2020. I made a AMA thread a while after (linked), no need to respond to it at this point but it may be worth a read.
Tips really depend on what youāre working towards to be honest.
If youāre planning to do LASO & Speedruns I recommend watching guides from HaloCompletionist & NakedEli. I used a mixture of their techniques. Take a lot of time to practice & execute but it can be done.
Youāll want to use those Speedrun strategies in LASO too, theyāll save you a lot of time and pain from fighting.
Halo 2 LASO on the Gravemind mission has a trick called the āprison skipā practice this to a tee - you need it for LASO. Itās almost impossible to beat that mission LASO without it due to the detection range on enemies, as soon as you come down that lift normally you will be dead before touching the ground.
I canāt even imagine doing one game LASO, let alone all of them ha.
Thanks for the tips mates, Duly noted!
Hey if this is for Xbox and you havenāt gotten enough players add me -kingizo117 pretty experience player and if you have gotten it keep going! 
Patience, the RNG can be frustrating sometimes.
Probably knock LASO out first. Truth and Reconciliation might take you weeks.
Besides LASO, by far one of the most annoying achievements to unlock was Rock and Coil Hit Back
Halo 2A MP: In Anniversary matchmaking, earn a total of 100 Environmentalist medals.At least with the match composer you can try to focus your searches towards the achievements youāre working towards. Iāve been playing since 11/11/2014, and Iām not sure how some people got this achievement within the first 6 months haha.
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> Besides LASO, by far one of the most annoying achievements to unlock was Rock and Coil Hit Back
>
>
> Halo 2A MP: In Anniversary matchmaking, earn a total of 100 Environmentalist medals.At least with the match composer you can try to focus your searches towards the achievements youāre working towards. Iāve been playing since 11/11/2014, and Iām not sure how some people got this achievement within the first 6 months haha.
If you search in a full fireteam at the same time as another full fireteam, preferably in the same server region, with the same specific criteria in the composer thereās a very high likelyhood of the two teams matching each other. With enough spare controllers and a second person you can farm this achievement relatively easily, and some of the other MP achievements as well.
> 2533274807814041;1:
> I have been going for 100% achievements for MCC the last couple of days. Trying to get it done before Halo Infinite comes out. Have any of you tried or completed MCC 100%?
> Right now, I have been slowly going through this guide - Steam Community :: Guide :: Halo: MCC - 100% Achievement Guide
>
> Any other Tips, Tricks or guides out there?
A few people have said start with the easy achievements, but I disagree. If you just want to get as many as possible before infinite then that makes sense, but if you actually want 100% Iād recommend starting the harder ones now. Iād do the speed runs before Laso, as DonCJG said itāll teach you some of the techniques youāll want to use for Laso. The reason I say start the hard ones now is because itāll frustrate the crap out of you, and you can take breaks from those tough achievements with easier ones. Laso is going to take a long time, on average a mission is going to take at least 2 hours, probably more. Iād say its a relatively safe bet to assume completing all the games on Laso will take at least 100 hours and thatās conservative, potentially a similar amount of time for the speed runs depending on your skill level. With infinite coming out in less than 2 months you do need to consider if you have the time to actually finish some of these.
Why rush - take the time and enjoy the game! You can easily just add Infinite achievements to the quest as well. Nobody is going anywhere! 