Overview:
-Estimated trophy difficulty: 6/10
-Offline: 12 (8 3 1)
-Online: 0
-Approximate amount of time to 100%: 3-4 hours
-Minimum number of playthroughs needed: 1
-Number of missable trophies: 0
-Glitched trophies: 0
-Do cheat codes disable trophies?: None available.
-Does difficulty affect trophies?: Absolutely. 'Lemming Leader' requires you to save every possible lemming.
This game has a 6 difficulty because some levels require precise actions in order to complete them to their full potential. It can be very frustrating when you have to restart a level several times. The frustration can be alleviated by following this guide and watching videos of the level you are having a hard time with.
Introduction:
If you follow this guide and watch videos of each level you're not sure about, there will be no need to go back and repeat any of them except to get 'Lemming Exploder'.
Abbreviated Walkthrough:
STEP ONE: Start from Trial Level 1 and work your way through Mayhem Level 10. This will net you 8/12 trophies minimum if you've followed the guide.
STEP TWO: Finish the remaining trophies. These will consist of all or some of the following: 'Lemming Exploder', 'Bridge Builder', 'Can You Dig It' and 'Lethal Lemmings'.
Conclusion:
As stated above, following the guide will get you these trophies as quickly as possible. The trophies for doing tasks or killing lemmings are simple enough. Lemming Leader will take time and patience... don't give up and you'll have a satisfying gold trophy.
[PS3T would like to thank pretend_hero for this Road Map]