This is a high-quality Sonic game, which includes substantial improvements compared with its predecessors. Its characters are no longer look like shellacked. The background is also more realistic and pretty. Some simple additions also added to this game. These additions offer the characters many special abilities. These abilities give players a chance to explore each level in a deeper level. Besides, the whole game experience is also improved because of these new abilities. To be specific, players can control Tails and Sonic to reach a much higher place or run in different directions instead of a fixed direction. For example, the helicopter can save Sonic from dropping into an unexpected bottomless pit. Players can explore new areas in different levels. And there are some rewards available after completing those levels. It is really exciting to find the hidden ring and other collectibles. There are so many other collectibles available. So it will take some time to locate all the collectibles. To find all of these collectibles, players have to unlock the achievement one by one. During this process, you may find that some power-ups are just placed in really awkward places. There is a reason to say so because you will wonder why a certain power-up just pops up in front of your eyes unexpectedly when you are totally safe and there is no enemy around you. But you should not drop it anyway. The power-up will be of great help in the upcoming fighting. It feels so good to see the Sonic run along those high walls in the background and lash out enormous energy cannon. And there is no reason for you to miss the opportunity to try the reversed gravity environment with Sonic. You will experience all kinds of exciting things with Sonic. And there is no need to worry about that the cute Sonic may get hit since there is an infinite supply of rings which can keep him alive. And if you want to try something spicy, you can just dodge Metal Sonic Attacked and try your best to collect enough number of rings. The shining point of this game is the special stages. Here you will run with Sonic and Tails through three-dimensional tiny tunnels. Besides, you will have to collect enough rings to clear checkpoints. You will find that these tasks are both challenging and entertaining. You will also find other new interesting elements are added to the classic structure. The most distinctive feature is that you can pause any time and retry. This is something that is impossible in other Sonic series. Anyway, if you are a Sonic fan, you should definitely try this game. The new challenges will give you new experience. And you will find a lot of unexpected surprises by exploring. You will be amazed by its colorful graphics. They are really exquisite. The soundtrack is also excellent. The stages are awesome. And the whole game is easy to play. When you have nothing else to do and you just want to kill you free time, you should have this great adventure with Sonic. Some players may think that the boss fights drag on a little bit, but you cannot deny that they are still very exciting with amazing soundtrack. So if you are a Sonic fan, this game should be a solid addition for your game library. And you will definitely have a comfortable experience. So what are you still waiting for? It is time for you to get fully prepared and start your adventure with Sonic! Together, you will be invincible!