Here is the full list of all 12 Every Extend Extra Extreme achievements worth 200 gamerscore.
20 wins in H4, Versus Live.
Clear Stage 25 on the R4, The Revenge mode.
Achieve 10 consecutive Beat Bonuses in E4, The Game Time Limited mode.
Collect 50 Quicken in E4, The Game Time Limited mode.
Stay alive for 60 seconds without a shield in E4, The Game Unlimited mode.
Create more than 2000 chain reactions in E4, The Game Unlimited mode.
Earn 125 points in ratings.
Earn 15 Trillion points on any stage of E4, The Game Unlimited mode.
Create more than 1000 chain reactions in E4, The Game Unlimited mode.
Survive 30 minutes on any stage in E4, The Game Unlimited mode.
Clear Stage 100 on the R4, The Revenge mode.
Achieve 5 consecutive Beat Bonuses while on a x100 score multiplier in E4, The Game Unlimited.