Super Mario Bros Unblocked is an online emulated version of the iconic 1985 Nintendo platformer. It allows web access to the full classic Mario adventure bypassing school and workplace firewalls.
The gameplay remains unchanged from the NES original. You control Mario running and jumping through the Mushroom Kingdom across 8 worlds to rescue Princess Peach from Bowser. Smash blocks, collect power-ups, and stomp enemies across familiar worlds.
Being unblocked means the game is playable right in the web browser without downloads required. This makes it easy to revisit the classic Mario platforming gameplay quickly during school or work breaks.
The emulation quality closely mimics the retro 8-bit graphics and sounds. You can play through all 32 original levels solo or add Luigi for 2 player co-op jumps. It supports keyboard or USB gamepads.
While Nintendo didn’t create this unblocked port, the faithful presentation recaptures the magic of the game that kicked off the Super Mario legacy. It offers quick nostalgia and continues to introduce new generations to one of gaming’s landmark titles.
- Arrow keys or WASD to move left/right and sprint
- Spacebar or up arrow to jump
- Down arrow/S key to duck
- Run and jump across platforms to traverse levels
- Bump bricks and blocks to collect coins and power-ups
- Power-ups grant special abilities like fireballs (Fire Flower)
- Stomp on enemies like Goombas and Koopa Troopas to defeat them
- Grab flag pole at the end to finish the level
- Classic side-scrolling obstacle course design
- Themed worlds like underground caverns and castle fortresses
- Iconic bosses to defeat including Bowser at the end
- Rescue Princess Peach being held captive by Bowser
- Traverse 8 worlds with 4 levels each plus fortress/castle levels
- Dodge hazards and defeat enemies using jumps and power-ups
With its easy-to-grasp run and jump gameplay, Super Mario Bros Unblocked brings the definitive classic platformer to browser-based free play.