Overview
- Estimated achievement difficulty: 5/10
- Offline: 11/12 (190)
- Online: 1/12 (10)
- Approximate amount of time to 200: 4 - 5 hours (Dependent on Skill/Luck)
- Minimum number of playthroughs needed: 1½  (Dependent on Skill/Luck)
- Number of missable achievements: None
- Do cheat codes disable achievements?: No Cheats
- Does difficulty affect achievements?: No
- Glitchy achievements: None
- Unobtainable achievements: None
- Extra equipment needed?: None
- Avatar Awards?: Yes

Introduction
Welcome to Sonic the Hedgehog 4: Episode 2. This game has 12 achievements for 200 and is the second Episode in the Sonic 4 saga. You will be fighting against Dr. Eggman once again, but this time he’s brought Metal Sonic with him. If you own the first Episode then you get a free "DLC" called “Episode Metal” in which you play as Metal Sonic in four acts from zones of the first game. It serves as a Prologue of sorts to Episode 2. To play Episode Metal go to the level select screen and press  to start playing it.

Step 1: Main Game
Before I start, make sure you get every Red Star Ring in every non-boss Act. There is one ring for every act. Note that you should have 50 rings before you get to the goal post so you can enter the Special Stage though the giant ring. In the Special Stages you can pause and reset the stage if you are having trouble (Provided you haven't passed a checkpoint without enough rings already). Also of note is that the earliest Act you can have Super Sonic in is Oil Desert Zone Act 2. Remember to press  after every Act so you do not go the the World Map once you start the first Zone.

Once the first Act starts beat the stage in under a minute while jumping into the giant ring to get the The Adventure Begins and Proof of Speed achievements. While in the first Special Stage, gather all the rings in it (There are 314 rings) to unlock Ring Collector. Once you get to the third Act you can press  while on the ground to activate the rolling combo and get the Rolling Combo! achievement.

Make your way to the end of Oil Desert Zone Act 1 and jump through the big ring. Get the last Chaos Emerald here to get the All Chaos Emeralds Found! achievement. From now on, deal the last hit to every upcoming boss in each zone’s Boss Act as Super Sonic (You also need to finish Death Egg mk.II Zone Act 1 as Super Sonic). From here make your way to Sky Fortress Zone Act 1 and beat Metal Sonic for the Metal Sonic Falls achievement.

Once you get to Death Egg mk.II Zone Act 1 find the last Red Star Ring and beat the level. Once you get to the Boss Act, beat the boss to get the All Red Star Rings Found!, Endurance Race, and All Stages Cleared!achievements. Enjoy the ending (Endurance Race does not unlock in Co-Op).

Step 2: Super Sonic
Since you have Super Sonic now and have beaten the zone bosses of Oil Desert, Sky Fortress, and Death Egg mk.II, you just need to beat the bosses of Sylvania Castle Zone and White Park Zone in their Boss Acts. Doing so with net you the A Golden Wave achievement. Go to the bosses through the level select.

Step 3: Playing as Tails
To play as Tails go the main menu and select “Multiplayer”. Choose your preference and pick a level and an Act. You will be prompted to choose who you want to play as. Pick Tails using  and  then beat an Act. Upload your score/time afterwards to get the Tag Partner achievement. Continue beating the act over and over until you have played with Tails 50 times. This will unlock the I Love Tails achievement (I highly suggest playing as Tails 50 times in Local Co-Op as it doesn't seem to work online).

Step 4: Miss Anything?
If you missed any achievements then head back to the level select and do what you need done. None of the achievements are missable because of the level select.

Conclusion
Sonic 4: Episode 2 greatly improves upon the first Episode in pretty much every way. The 200 is pretty much like the first Episode and shouldn’t be that hard besides a few Special Stages. Good luck!

[x360a would like to thank JaxTH for this roadmap]

Sonic the Hedgehog 4: Episode 2 Achievement Guide

Printable Guide
Show completed achievements
Show secret achievements

There are 12 achievements with a total of 200 points

  • Clear SYLVANIA CASTLE ZONE, Act 1.

    (1)  

    Finish the first Act of the first Zone.

  • Activate the Rolling Combo with Sonic and Tails.

    (3)  

    The earliest this can be done is in "Sylvania Castle Zone" Act 3.

    Pressing  activates different combos depending on what you are doing. Jump in the air and it will cause a Sonic 3 styled action where Tails lifts Sonic in the air for you to fly around, do it underwater and Tails acts like a propeller for you.
    For this achievement however you need to be in standing position on the ground. Use and the rolling combo will activate.

  • Defeat Metal Sonic in SKY FORTRESS ZONE, Act 1.

    (4)  

    “Sky Fortress Zone” is the fourth Zone in the game. In Act 1 the level will be like "Sky Chase Zone" from Sonic 2 with Tails flying a plane and Sonic standing on top of it. Defeat Metal Sonic in this level to unlock the achievement. This will be your second time fighting Metal Sonic in the game. He will launch gray cannon balls and enemies at you. You can hit the cannonballs to fling them right back at him. Keep at it until he is defeated.

    Here is a video of the level

  • Defeat all bosses as Super Sonic.

    (14)  

    To get this achievement you must beat all bosses as Super Sonic. Every Boss Act and well as Death Egg mk.II Zone Act 1 must be beaten as Super Sonic for this to unlock. To get Super Sonic you must get the seven Chaos Emeralds beforehand.

    For the Chaos Emeralds see  All Chaos Emeralds Found!.

    When you have acquired Super Sonic you need to gather 50 rings and press  transform. Using Tag Combos with Tails will cancel out the Super Sonic state. If you still have over 50 rings just press  again to transform.

  • Defeat the final foe and watch the ending.

      

    Simply beat the game. The last level is the Boss Act of “Death Egg mk.II Zone”. This achievement will unlock after the credits are done.

  • Upload a Multiplayer score or time.

    After finishing a co-op session upload your score/time afterwards.

    To upload your score/time, go to "Leaderboards" from main menu, pick "Multiplayer", then pick an Act and your score and time will upload automatically.

  • Play as Tails 50 times.

    To play as Tails, from the main menu select “Multiplayer”. Then either select “Local Co-Op Mode” or “Online Co-Op Mode”.

    If Local, then plug in a second controller and press start (You can sign in the second controller as a Guest if you want). On the level select menu choose a Zone and an Act.

    Once confirmed you will be asked which players want to be who. Pick Player 1 as Tails by using  and . Confirm once again and the level will start. Beat your desired level and then repeat the process until the achievement unlocks. If choosing online get a partner unless you want to fight to be Tails. Regardless, if your partner decides to stick around you will both alternate being Sonic/Tails every other Act. 

    Note: It seems people are having trouble unlocking this while doing Online Co-Op. Until it is looked into more I suggest Local Co-Op for this achievement.

  • Beat Special Stage 1 after collecting every Ring.

    (16)  

    If you’ve played Episode 1 then this is the same exact achievement, except possibly harder. Get every ring in the first Special Stage and the achievement is yours. The good thing about this is that you can pause the game and restart the Special Stage if needed like in the first episode (Provided you haven't passed a checkpoint without enough rings already). If you still need some help you can always co-op this with someone. There are 314 rings to get in the first Special Stage.

    • Checkpoint 1: 80 Rings
    • Checkpoint 2: 215 Rings
    • Checkpoint 3 (Chaos Emerald): 314 Rings

    Here is a video for help

  • Clear all stages without returning to the World Map.

    (11)  

    To get this, clear all the stages without returning to the World Map. After you complete each Act you will need to press  to advance to the next Act. Not doing this will send you to the World Map. I suggest doing this either on your first playthrough (just try not to Game Over while doing it) or after you have Super Sonic. 

    Note: This apparently does not unlock if done in Co-Op. Most likely because you don't see cut-scenes while doing it.

  • Collect all seven Chaos Emeralds.

    (8)   

    Collect all seven Chaos Emeralds for this achievement. To get to the Special Stage is the same as getting to them in Episode 1; get and hold on to 50 rings until the end of the level and jump through the giant ring after the goal post of an act. Meet the requirements of the Special Stage and the Chaos Emerald is yours. 

    Note: Any Chaos Emeralds you get in Co-Op are carried over to your Single Player game.

    Here are some videos to help

  • Clear SYLVANIA CASTLE ZONE, Act 1 in one minute or less.

    (8)  

    Beat the first level of the game in under a minute.

    Without Team Roll

    With Team Roll

  • Defeat the final foe after collecting every Red Star Ring.

    (21)   

    In every non-boss Act there is one Red Star Ring to get. After you have them all beat the final boss. 

    Note: Any Red Star Rings you get in Co-Op are carried over to your Single Player game. If you get a Red Star Ring, pass a checkpoint, and then die you will keep your Red Star Ring. If you get a Red Star Ring and die without passing a checkpoint you will have to obtain the Red Star Ring again.

    Here are some videos to help

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