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Play Ultimate Flash Sonic Game Online

Rating: 9.1/10 - 1040 votes

Help legendary platform superstar Sonic the Hedgehog (and his buddies) to navigate through side-scrolling levels filled with familiar foes, moving ledges, gold rings, cool power-ups, and powerful Boss characters! Ultimate Flash Sonic is an addicting, action-packed, run and jump arcade game inspired by the classic 1990s console games where Sonic must dash and smash his way through levels filled with ‘Badnik’ enemies, moving obstacles, vertical loops, breakable walls, spiky hindrances, and more! Start your adventure as one of 4 iconic characters: Sonic, Tails, Knuckles or Cream.

Skills required: This hectic 2D platformer requires a combination of sharp reflexes, super swift keyboard control, pinpoint timing, and good anticipation skills as you attempt to keep your hero out of harm's way. Sonic and the other characters famously move at high speed, so you use very fast reactions to keep them traveling through the level at pace.

How to Play: A Flash-based, platform / action game for notebook, laptop and desktop PC / Mac (with certain browsers). In each side-scrolling level, you must guide Sonic (or an alternative character of your choice) along the platforms and ledges, avoiding harmful contact with baddies, spikes, and other hindrances. Control your hero's movement using the Arrow Keys on your computer keyboard, and press Spacebar to jump.

Perform a devastating ‘spin dash’ move by pressing the Down Arrow + Spacebar. Your hero can easily defeat enemies while in this circular, spin dash mode. Collect Gold Rings to protect yourself from harm. While your character has rings, it cannot be eliminated by enemies. However, if you get hit when you have zero rings, you lose a life. Each ‘World’ has two acts / levels, and you must fight a Boss character after you complete Act 2 of each World.

If this Flash-based game no longer works on IE11 on your PC / MAC, try playing on Chrome or Firefox browser.

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This game is Flash-based, and it appears that your browser does not support Flash Player. This game can be played after installing a web browser with Flash support, and can be played on most desktop browsers without any further installing.

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To play this Flash-based online game, you need to activate Adobe's Flash Player on your current web browser.
  1. Click the i icon on the left of your Chrome address bar.
  2. Click on the menu for the Flash item, and select "Always Allow on this site."
  3. Refresh this page.
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