Sonic and Mario online games

My son Peter's FlashyOnlineGames.com contains lots of Sonic the Hedgehog and Super Mario Bros. Flash online games. Here is a sample selection of them:

  New Super Mario Bros. Flash

  Super Mario 63

  Paper Mario World 2

  Super Smash Flash

  Super Mario Crossover

  Tuper Tario Tros

  Ultimate Flash Sonic

  Shadow the Hedgehog

  Sonic Match It

  Sonic Rush Adventure

(See also here)